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@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
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</div>
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GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
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GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
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[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
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By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
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GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
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### DivestOS
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<div class="admonition recommendation" markdown>
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@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
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</div>
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DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
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DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
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DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
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DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
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DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
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DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
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<div class="admonition warning" markdown>
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<p class="admonition-title">Warning</p>
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@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
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</div>
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||||
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GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
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[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
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|
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By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
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### DivestOS
|
||||
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<div class="admonition recommendation" markdown>
|
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@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
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||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warnung</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS proporciona [mejoras adicionales de seguridad](https://en.wikipedia.o
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Advertencia</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Avertissement</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Figyelmeztetés</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Avviso</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Предупреждение</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Varning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">Warning</p>
|
||||
|
||||
@ -62,10 +62,14 @@ GrapheneOS 提供了額外的 [安全強化](https://zh.m.wikipedia.org/wiki/%E5
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS 支援 [沙盒化 Google Play](https://grapheneos.org/usage#sandboxed-google-play) ，他將 [Google Play 服務](https://zh.wikipedia.org/wiki/Google_Play%E6%9C%8D%E5%8B%99) 完全沙盒化，使其如同其他常規應用程式一樣運行。 這意味著可正常使用大多數 Google Play 服務 所提供的功能，像是 [推送通知](https://firebase.google.com/docs/cloud-messaging) ，同時讓您完全控制其存取能力和權限，並將其包含在所選的特定 [工作設定檔](../os/android-overview.md#work-profile) 或 [用戶設定檔](../os/android-overview.md#user-profiles) 。
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel系列](../mobile-phones.md#google-pixel) 是目前唯一符合 GrapheneOS [硬體安全要求](https://grapheneos.org/faq#future-devices) 的裝置。
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -84,12 +88,14 @@ DivestOS 從 LineageOS 繼承了許多 [支援的裝置](https://divestos.org/in
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS 具有自動核心漏洞 ([CVE](https://zh.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [修補](https://gitlab.com/divested-mobile/cve_checker)，更少的專有設備驅動程式，和自訂的 [hosts](https://divested.dev/index.php?page=dnsbl) 文件。 其加固的 WebView：[Mulch](https://gitlab.com/divested-mobile/mulch)，為所有架構啟用了 [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) 並引入了 [網路狀態分割](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning) ，且接受 緊急更新。
|
||||
DivestOS 具有自動核心漏洞 ([CVE](https://zh.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [修補](https://gitlab.com/divested-mobile/cve_checker)，更少的專有設備驅動程式，和自訂的 [hosts](https://divested.dev/index.php?page=dnsbl) 文件。 Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS 還包含來自GrapheneOS 的核心補丁，並透過 [defconfig 加固](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758) 啟用所有可用的核心安全功能。 所有高於3.4版本的核心都包含 整頁的[核心記憶體清理](https://lwn.net/Articles/334747) ，並且所有~22 Clang 編譯的核心都有啟用 [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) 。
|
||||
|
||||
DivestOS 也實現了一些最初專為 GrapheneOS 開發的系統加固補丁。 DivestOS 16.0 及更高版本實現了GrapheneOS 的 [`網路`](https://developer.android.com/training/basics/network-ops/connecting) 和 傳感器 權限。除此之外還有：[加固的記憶體分配器](https://github.com/GrapheneOS/hardened_malloc) 、[exec-spawning](https://grapheneos.org/usage#exec-spawning) 、[JNI](https://zh.wikipedia.org/wiki/Java%E6%9C%AC%E5%9C%B0%E6%8E%A5%E5%8F%A3) [constification](https://zh.wikipedia.org/wiki/Const)，和部分 [bionic](https://zh.wikipedia.org/wiki/Bionic_\(%E8%BB%9F%E9%AB%94\)) 強化補丁集。 17.1 及更高版本有 GrapheneOS 所具有的「根據每個網路完整的 [MAC 隨機化](https://en.wikipedia.org/wiki/MAC_address#Randomization) 」選項、 [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) 控制 、 [自動重新啟動](https://grapheneos.org/features#auto-reboot) ，和 Wi-Fi/藍牙 [逾時關閉選項](https://grapheneos.org/features#attack-surface-reduction)。
|
||||
DivestOS 也實現了一些最初專為 GrapheneOS 開發的系統加固補丁。 DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS 使用 F-Droid 作為其預設應用程式商店。 我們通常 [建議避免使用 F-Droid](obtaining-apps.md#f-droid) ，但在 DivestOS 上這樣做是不可行的；開發人員透過自己的 F-Droid 儲存庫：[DivestOS Official](https://divestos.org/fdroid/official) 來更新他們的應用程式。 我們建議停用官方 F-Droid 應用程式，改為使用 [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) 並 **添加DivestOS儲存庫** 來保持這些組件處於最新狀態。 對於其他應用程式，我們推薦的 [應用程式獲取途徑](obtaining-apps.md) 仍然適用。
|
||||
DivestOS 使用 F-Droid 作為其預設應用程式商店。 我們通常 [建議避免使用 F-Droid](obtaining-apps.md#f-droid) ，但在 DivestOS 上這樣做是不可行的；開發人員透過自己的 F-Droid 儲存庫：[DivestOS Official](https://divestos.org/fdroid/official) 來更新他們的應用程式。 For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. 對於其他應用程式，我們推薦的 [應用程式獲取途徑](obtaining-apps.md) 仍然適用。
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">警告</p>
|
||||
|
||||
@ -60,10 +60,14 @@ GrapheneOS provides additional [security hardening](https://en.wikipedia.org/wik
|
||||
|
||||
</div>
|
||||
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs [Google Play Services](https://en.wikipedia.org/wiki/Google_Play_Services) fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as [push notifications](https://firebase.google.com/docs/cloud-messaging), while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
GrapheneOS supports [sandboxed Google Play](https://grapheneos.org/usage#sandboxed-google-play), which runs Google Play Services fully sandboxed like any other regular app. This means you can take advantage of most Google Play Services, such as push notifications, while giving you full control over their permissions and access, and while containing them to a specific [work profile](../os/android-overview.md#work-profile) or [user profile](../os/android-overview.md#user-profiles) of your choice.
|
||||
|
||||
[Google Pixel phones](../mobile-phones.md#google-pixel) are the only devices that currently meet GrapheneOS's [hardware security requirements](https://grapheneos.org/faq#future-devices).
|
||||
|
||||
By default, Android makes many network connections to Google to perform DNS connectivity checks, to sync with current network time, to check your network connectivity, and for many other background tasks. GrapheneOS replaces these with connections to servers operated by GrapheneOS and subject to their privacy policy. This hides information like your IP address [from Google](../basics/common-threats.md#privacy-from-service-providers), but means it is trivial for an admin on your network or ISP to see you are making connections to `grapheneos.network`, `grapheneos.org`, etc. and deduce what operating system you are using.
|
||||
|
||||
GrapheneOS provides the option to switch back to connecting to Google's servers for many of these background connections if you prefer, but it is far more robust/foolproof to use a [trusted VPN](../vpn.md) and enable Android's native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide information like this from adversaries on your network.
|
||||
|
||||
### DivestOS
|
||||
|
||||
<div class="admonition recommendation" markdown>
|
||||
@ -82,12 +86,14 @@ DivestOS inherits many [supported devices](https://divestos.org/index.php?page=d
|
||||
|
||||
</div>
|
||||
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [CFI](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS has automated kernel vulnerability ([CVE](https://en.wikipedia.org/wiki/Common_Vulnerabilities_and_Exposures)) [patching](https://gitlab.com/divested-mobile/cve_checker), fewer proprietary blobs, and a custom [hosts](https://divested.dev/index.php?page=dnsbl) file. Its hardened WebView, [Mulch](https://gitlab.com/divested-mobile/mulch), enables [control-flow integrity](https://en.wikipedia.org/wiki/Control-flow_integrity) for all architectures and [network state partitioning](https://developer.mozilla.org/docs/Web/Privacy/State_Partitioning), and receives out-of-band updates.
|
||||
DivestOS also includes kernel patches from GrapheneOS and enables all available kernel security features via [defconfig hardening](https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Scripts/Common/Functions.sh#L758). All kernels newer than version 3.4 include full page [sanitization](https://lwn.net/Articles/334747) and all ~22 Clang-compiled kernels have [`-ftrivial-auto-var-init=zero`](https://reviews.llvm.org/D54604?id=174471) enabled.
|
||||
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's [`INTERNET`](https://developer.android.com/training/basics/network-ops/connecting) and SENSORS permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), [JNI](https://en.wikipedia.org/wiki/Java_Native_Interface) [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features GrapheneOS's per-network full [MAC randomization](https://en.wikipedia.org/wiki/MAC_address#Randomization) option, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, [automatic reboot](https://grapheneos.org/features#auto-reboot), and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
DivestOS implements some system hardening patches originally developed for GrapheneOS. DivestOS 16.0 and higher implements GrapheneOS's `INTERNET` and `SENSORS` permission toggle, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [exec-spawning](https://grapheneos.org/usage#exec-spawning), Java Native Interface [constification](https://en.wikipedia.org/wiki/Const_\(computer_programming\)), and partial [bionic](https://en.wikipedia.org/wiki/Bionic_\(software\)) hardening patchsets. 17.1 and higher features per-network full MAC address randomization, [`ptrace_scope`](https://kernel.org/doc/html/latest/admin-guide/LSM/Yama.html) control, automatic reboot, and Wi-Fi/Bluetooth [timeout options](https://grapheneos.org/features#attack-surface-reduction).
|
||||
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). We recommend disabling the official F-Droid app and using [F-Droid Basic](https://f-droid.org/en/packages/org.fdroid.basic) **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
DivestOS uses F-Droid as its default app store. We normally [recommend avoiding F-Droid](obtaining-apps.md#f-droid), but doing so on DivestOS isn't viable; the developers update their apps via their own F-Droid repository, [DivestOS Official](https://divestos.org/fdroid/official). For these apps you should continue to use F-Droid **with the DivestOS repository enabled** to keep those components up to date. For other apps, our recommended [methods of obtaining them](obtaining-apps.md) still apply.
|
||||
|
||||
DivestOS replaces many of Android's background network connections to Google services with alternative services, such as using OpenEUICC for eSIM activation, NTP.org for network time, and Quad9 for DNS. These connections can be modified, but their deviation from a standard Android phone's network connections could mean it is easier for an adversary on your network to deduce what operating system you have installed on your phone. If this is a concern to you, consider using a [trusted VPN](../vpn.md) and enabling the native VPN [kill switch](../os/android-overview.md#vpn-killswitch) to hide this network traffic from your local network and ISP.
|
||||
|
||||
<div class="admonition warning" markdown>
|
||||
<p class="admonition-title">警告</p>
|
||||
|
||||
Reference in New Issue
Block a user