[tor-bugs] #18394 [Tor]: Allow relays to have an IPv6 DirPort on the same port as the IPv4 DirPort

[Tor Bug Tracker & Wiki]

#18394: Allow relays to have an IPv6 DirPort on the same port as the IPv4 DirPort
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     Reporter:  teor         |      Owner:
         Type:  enhancement  |     Status:  new
     Priority:  Medium       |  Milestone:  Tor: 0.2.9.x-final
    Component:  Tor          |    Version:
     Severity:  Normal       |   Keywords:  easy ipv6
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
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 Currently, to do this, relay operators need to say `DirPort
 [IPv6-address]:80 NoAdvertise`, or they get a warning "Can't advertise
 more than one DirPort."

 This supports clients on IPv6 in 0.2.8.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18394>
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