WebRTC is yet another technology that has the possibility to change the face of the web, but is it supported in Tor ?

Searching the tor-dev mailing, there is this thread on the WebRTC but it is unclear if there is official enduser support, or even if realtime communications are even viable given the latency introduced by the anonymizing process.

  • media.peerconnection.enabled works perfectly in Tor Browser ! A normal web chat works. E.g. rtccopy.com/#kaffeestuebchen Warning : Never download or Upload a File in this chatroom !
    – user6507
    Jan 11, 2015 at 11:33
  • That is not working in my Tor Browser.
    – Michael
    Mar 23, 2015 at 7:47

1 Answer 1


Tor Browser is built without WebRTC support, since WebRTC can be used to circumvent Tor's proxy settings via ICE over UDP.

In Firefox, WebRTC support is controlled by media.peerconnection.enabled preference, and it's set to false by default in Tor Browser. But, even enabling this preference would not turn WebRTC on, since the Firefox binary does not contain the functionality.


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