[tor-bugs] #15235 [Tor]: Identify the state of IPv6 support in Tor

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#15235: Identify the state of IPv6 support in Tor
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 Reporter:  nickm                               |          Owner:
     Type:  task                                |         Status:  new
 Priority:  normal                              |      Milestone:  Tor:
Component:  Tor                                 |  0.2.7.x-final
 Keywords:  tor-client,tor-relay,ipv6,research  |        Version:
Parent ID:                                      |  Actual Points:
                                                |         Points:
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 What works for IPv6 today?  What doesn't?  What's hard to configure?

 * Can clients use ipv6 to connect to Tor?
 * Can clients resolve Ipv6 addresses with Tor?
 * Does automapping to ipv6 addresses work?
 * Can we exit to ipv6?
 * Can bridges be IPv6-only? (no, I don't think so)
 * Can relays be IPv6 only? (no)

 And many more.

 We should ideally not only hand-check tehse issues, but write tests for
 some of them.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15235>
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