[tor-bugs] #20886 [Core Tor/DocTor]: Track expiring approved-routers.conf entries from 2006 to 2015

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#20886: Track expiring approved-routers.conf entries from 2006 to 2015
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 Reporter:  dgoulet          |          Owner:  atagar
     Type:  task             |         Status:  needs_review
 Priority:  Medium           |      Milestone:
Component:  Core Tor/DocTor  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
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Comment (by dgoulet):

 Replying to [comment:2 arma]:
 > David: not that this is super critical, but, why remove old
 fingerprints? Removing old IP addresses makes a lot of sense, since they
 could be reused for totally different new people.
 >
 > But a fingerprint that was a bad relay isn't the same. Nobody is going
 to accidentally reuse that key on a new relay.

 True.

 >
 > Is it just a performance thing on the directory authorities? I don't
 think that's been critical path so far.
 >
 > Or is it a cleanliness thing for the dir auth operators? I could get
 behind that I guess. But I want us to be sure we know what we're getting
 and not getting here.

 Main point is cleaning old entries. That approved-routers file is above
 4000 lines and shouldn't be the place for an "archive" imo and most of
 those entries have very little context on why they were blocked or to
 which IP they were linked to.

 So, I don't see the point of keeping them around in that file. We should
 keep our configuration tidy and have a side database to track more things
 which incidentally someone started working on in the bad relay world! :).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20886#comment:3>
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