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Re: [tor-bugs] #9775 [Core Tor/Tor]: Authorities should report when they don't vote Running but some addresses are still reachable

#9775: Authorities should report when they don't vote Running but some addresses
are still reachable
------------------------------------------------+--------------------------
 Reporter:  arma                                |          Owner:  (none)
     Type:  enhancement                         |         Status:  new
 Priority:  Medium                              |      Milestone:  Tor:
                                                |  unspecified
Component:  Core Tor/Tor                        |        Version:
 Severity:  Normal                              |     Resolution:
 Keywords:  tor-dirauth logging reporting easy  |  Actual Points:
Parent ID:                                      |         Points:
 Reviewer:                                      |        Sponsor:
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Comment (by teor):

 Replying to [comment:19 teor]:
 > I think this is a good change. Don't we do it already with IPv6 by
 dropping the addresses in votes?

 We do this, but Onionoo doesn't currently parse votes and use them for its
 new unreachable_or_addresses field:
 https://metrics.torproject.org/onionoo.html#details_relay_unreachable_or_addresses

 So this only works for IPv6 addresses when a minority of authorities is on
 IPv6.

 > Or do we drop the entire relay from the vote when we drop the Running
 flag?

 We keep it, but vote it not Running. It only gets dropped from the
 consensus.

 > If I had to choose, I would prioritise relays checking their own IPv6
 ORPort reachability over this change.

 Also, consensus-health has a "ReachableIPv6" pseudo-flag, but doesn't
 parse votes or descriptors, so it can't do "UnreachableIPv6" yet:

 https://consensus-health.torproject.org/

 And Relay Search (Atlas) has IPv6 ORPort and IPv6 Exit flags, but, again,
 that doesn't really help:

 https://atlas.torproject.org/#toprelays

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9775#comment:20>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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