[tor-bugs] #16221 [Tor Browser]: Enable WebRTC with TCP-ICE (and hidden services?)

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#16221: Enable WebRTC with TCP-ICE (and hidden services?)
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 Reporter:  mikeperry    |          Owner:  tbb-team
     Type:  enhancement  |         Status:  new
 Priority:  normal       |      Milestone:
Component:  Tor Browser  |        Version:
 Keywords:  ff38-esr     |  Actual Points:
Parent ID:               |         Points:
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 Mozilla added support for WebRTC over TCP, and WebRTC proxy support in
 Firefox 34 and 38:
 https://bugzilla.mozilla.org/show_bug.cgi?id=891551
 https://bugzilla.mozilla.org/show_bug.cgi?id=949703

 This might mean we can actually enable WebRTC now, if we turn off all of
 the IP address discovery and non-TCP ICE mechanisms:
 https://github.com/diafygi/webrtc-ips

 We could also potentially list a hidden service address as a WebRTC ICE
 endpoint, though we would need to be careful about this since it means
 that potentially every Tor Browser user who visits a WebRTC-enabled page
 would suddenly spin up a hidden service. I wonder if we can have Tor
 create the keys for a hidden service without actually starting it up
 unless it is actually negotiated by WebRTC.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16221>
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