Information
These settings determine whether Web Real Time Communications (WebRTC) is allowed. WebRTC is used for peer-to-peer communication such as file sharing or video calls.
Rationale:
WebRTC can expose private information such as internal IP addresses and computer settings.
Impact:
WebRTC will not be accessible to users.
Solution
To establish the recommended configuration, set the following values to false:
media.peerconnection
media.peerconnection.use_document_iceservers
Type about:config in the address bar
Type media.peerconnection in the filter
Ensure the setting is set as prescribed.
Type media.peerconnection.use_document_iceservers in the filter
Ensure the setting is set as prescribed.
OR
Open the mozilla.cfg file in the installation directory with a text editor
Add the following lines to mozilla.cfg:
lockPref('media.peerconnection.enabled', false);
lockPref('media.peerconnection.use_document_iceservers', false);
Default Value:
True