[tor-bugs] #25596 [Circumvention/Snowflake]: Configure TURN servers for the proxy and/or client

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#25596: Configure TURN servers for the proxy and/or client
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 Reporter:  arlolra                  |          Owner:  (none)
     Type:  defect                   |         Status:  new
 Priority:  Medium                   |      Milestone:
Component:  Circumvention/Snowflake  |        Version:
 Severity:  Normal                   |     Resolution:
 Keywords:                           |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
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Comment (by cohosh):

 I mentioned this a bit in #33666. It looks like we've got quite a few
 proxies and clients behind more restrictive NAT topologies.

 I have some doubts about the usefulness of this solution in a censorship
 circumvention setting. If we run our own TURN servers, they could be
 blocked by a censor. Basically, it's a similar problem that we're having
 with STUN, but since all traffic is also proxies through the TURN servers,
 we're relying on them more heavily. We can't just make a domain-fronted
 connection to the TURN server which we might be able to do for STUN.

 Still, it might be a short term solution for clients behind symmetric NATs
 while we figure out how to do something smarter with matching clients to
 proxies that will work for them.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25596#comment:1>
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