[tor-bugs] #18460 [Tor]: Relays and bridges are not counting directory requests coming in via IPv6

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#18460: Relays and bridges are not counting directory requests coming in via IPv6
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 Reporter:  karsten                              |          Owner:
     Type:  defect                               |         Status:
 Priority:  Medium                               |  needs_review
Component:  Tor                                  |      Milestone:  Tor:
 Severity:  Normal                               |  0.2.8.x-final
 Keywords:  tor-relay tor-bridge 026-backport    |        Version:  Tor:
  027-backport TorCoreTeam201603                 |  0.2.8.1-alpha
Parent ID:                                       |     Resolution:
 Reviewer:                                       |  Actual Points:
                                                 |         Points:
                                                 |        Sponsor:
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Comment (by karsten):

 The two bridges have run with this patch for a few days now.

 I'm attaching a graph of stats reported by antirio.  The blue and green
 lines are unique IP addresses, the red line is counted directory requests.
 There is no direct connection between unique IP addresses and directory
 requests, though we'd expect the number of directory requests to go up a
 bit (because those coming in via IPv6 have not been counted previously)
 while the number of unique IP addresses stays the same.  We now have three
 data points from after the patch, and even though the Mar 28 data points
 was not entirely clear, I'd say there's a visible upturn in directory
 requests.

 At the same time neither starman nor antirio seem to have problems with
 this patch.

 I'd say this patch is good to be merged.

 [[Image(antirio.png)]]

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18460#comment:13>
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