WebRTC IP Leak Test - Is your IP address leaking?

While software like NoScript prevents this, it's probably a good idea to block this protocol directly as well, just to be safe. Note: This disables browser-based call functionality that is used for webapps like Discord, Hangouts, Jitsi, etc.

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How to disable WebRTC in Firefox?

In short: Set "media.peerconnection.enabled" to "false" in "about:config".

Explained:

1. Enter "about:config" in the firefox address bar and press enter.
2. Press the button "I'll be careful, I promise!"
3. Search for "media.peerconnection.enabled"
4. Double click the entry, the column "Value" should now be "false"
5. Done. Do the WebRTC leak test again.

If you want to make sure every single WebRTC-related setting is really disabled change these settings:

1. media.peerconnection.turn.disable = true
2. media.peerconnection.use_document_iceservers = false
3. media.peerconnection.video.enabled = false
4. media.peerconnection.identity.timeout = 1

Now you can be 100% sure WebRTC is disabled.

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How to disable WebRTC in Safari?

1. Open the browser and click on the Safari tab in the menu tab.
2. On the Advanced tab, check the box at the bottom that says "Show the Develop menu in menu bar".
3. Come back to the main menu and go to the Develop tab.
4. In the drop-down menu, go to Experimental Features and check "Remove Legacy WebRTC API"
5. Done. Do the WebRTC leak test again.

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How to disable WebRTC in Google Chrome?

WebRTC cannot be fully disabled in Chrome; however, it is possible to change its routing settings (and prevent leaks) using an extension. Two open-source solutions include WebRTC Leak Prevent (options may need to be changed depending on the scenario), and uBlock Origin (select "Prevent WebRTC from leaking local IP addresses" in Settings).

What about other browsers?

Chrome on iOS and Internet Explorer does not implement WebRTC yet. But we recommend using Firefox on all devices.