[tor-bugs] #25685 [Core Tor/Tor]: Tor relays publish a new descriptor but authorities drop it because they think it's only cosmetically different, and then the relay waits 18 more hours to publish, thus falling out of the consensus

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Apr 1 23:33:47 UTC 2018


#25685: Tor relays publish a new descriptor but authorities drop it because they
think it's only cosmetically different, and then the relay waits 18 more
hours to publish, thus falling out of the consensus
----------------------------------+------------------------
 Reporter:  arma                  |          Owner:  (none)
     Type:  defect                |         Status:  new
 Priority:  Medium                |      Milestone:
Component:  Core Tor/Tor          |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  034-roadmap-proposed  |  Actual Points:
Parent ID:                        |         Points:
 Reviewer:                        |        Sponsor:
----------------------------------+------------------------

Comment (by teor):

 One way to resolve this issue is to make dirauths just believe relays when
 they republish their descriptors.

 We might want to rate-limit republishing to N descriptors per hour, but
 I'm not sure what that gets us, because we've already received and parsed
 the descriptor by the time we reject it.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25685#comment:1>
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