richard pushed to branch tor-browser-115.2.0esr-13.0-1 at The Tor Project / Applications / Tor Browser

Commits: fd6517c1 by hackademix at 2023-08-21T19:16:27+02:00 fixup! Firefox preference overrides.

Bug 42029 - Defense-in-depth: disable non-proxied UDP WebRTC

- - - - -

1 changed file:

- browser/app/profile/001-base-profile.js

Changes:

===================================== browser/app/profile/001-base-profile.js ===================================== @@ -381,12 +381,17 @@ pref("network.http.http2.enable-hpack-dump", false, locked); // (defense in depth measure) pref("network.gio.supported-protocols", ""); pref("media.peerconnection.enabled", false); // Disable WebRTC interfaces -// Mullvad browser enables WebRTC by default, therefore the following 2 prefs +// Mullvad Browser enables WebRTC by default, meaning that there the following prefs // are first-line defense, rather than "in depth" (mullvad-browser#40) // tor-browser#41667 - Defense in depth: use mDNS to avoid local IP leaks on Android too if user enables WebRTC pref("media.peerconnection.ice.obfuscate_host_addresses", true); // tor-browser#41671 - Defense in depth: connect using TURN only, to avoid IP leaks if user enables WebRTC pref("media.peerconnection.ice.relay_only", true); +// tor-browser#42029 - Defense-in-depth: disable non-proxied UDP WebRTC +pref("media.peerconnection.ice.default_address_only", true); +pref("media.peerconnection.ice.no_host", true); +pref("media.peerconnection.ice.proxy_only_if_behind_proxy", true); + // Disables media devices but only if `media.peerconnection.enabled` is set to // `false` as well. (see bug 16328 for this defense-in-depth measure) pref("media.navigator.enabled", false);

View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/fd6517c1...