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

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#20509: Directory authorities should take away Guard flag from relays with #20499
bug
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 Reporter:  arma          |          Owner:
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by Sebastian):

 I think a reduced work option 3 is best here. That is, get a new alpha
 out, tell people to upgrade once, exclude relays that run these versions
 without upgrading, then don't do anything manually anymore. At the same
 time, include the code to reject those broken versions in the next regular
 releases, without rushing dirauths to upgrade. I find it rather unlikely
 that any significant number of relay operators will actually install a
 non-latest alpha version after we've made a new one, and the few
 stragglers who do will get excluded once the dirauths are ready.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20509#comment:2>
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