[tor-bugs] #20501 [Core Tor/DocTor]: Scan 0.2.9.x relays to see if they're serving an out-of-date consensus?

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#20501: Scan 0.2.9.x relays to see if they're serving an out-of-date consensus?
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     Reporter:  arma             |      Owner:  atagar
         Type:  enhancement      |     Status:  new
     Priority:  Medium           |  Milestone:
    Component:  Core Tor/DocTor  |    Version:
     Severity:  Normal           |   Keywords:
Actual Points:                   |  Parent ID:
       Points:                   |   Reviewer:
      Sponsor:                   |
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 In #20499 we see a potential bug where relays opt to stop getting
 directory information.

 How pervasive is this bug in practice?

 Doing a scan of these relays to see which consensus they give us could be
 quite enlightening.

 Also, once we have a module in our scanners to do this test, it would
 probably be wise to automate running it every so often, as an early (ok,
 not so early really) warning system to catch regressions.

 (In theory all 0.2.9 relays should be caching directory stuff now, right?)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20501>
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