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Re: [tor-bugs] #20509 [Core Tor/Tor]: Directory authorities should take away Guard flag from relays with #20499 bug



#20509: Directory authorities should take away Guard flag from relays with #20499
bug
--------------------------+------------------------------------
 Reporter:  arma          |          Owner:
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  028-backport  |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------

Comment (by teor):

 Replying to [comment:1 arma]:
 > ...
 > Option 2 is that we change the directory authority code to withhold a
 Guard vote for all relays running the affected versions. And then get
 enough authorities to update that we can affect Guard assignment. This
 option seems better in theory, I don't have a good handle on what versions
 the dir auths like to run, so I don't know how tricky this one will be in
 practice.
 > ...

 Hang on, didn't we have a bug where clients would pick relays as their
 guard regardless of whether they had the Guard flag? How many versions ago
 was that?

 And do clients automatically get new guards when their existing guards
 lose the Guard flag? Or do they keep their old guards until they rotate?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20509#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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