[tor-bugs] #7144 [Core Tor/Tor]: Implement Bridge Guards and other anti-enumeration defenses

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue May 24 00:26:25 UTC 2016

#7144: Implement Bridge Guards and other anti-enumeration defenses
 Reporter:  karsten                              |          Owner:  isis
     Type:  project                              |         Status:
 Priority:  High                                 |  needs_revision
Component:  Core Tor/Tor                         |      Milestone:  Tor:
 Severity:  Normal                               |  0.2.9.x-final
 Keywords:  SponsorZ, tor-bridge,                |        Version:
  027-triaged-1-out, 028-triage, 028-triaged,    |     Resolution:
  isis201604, isis201605, TorCoreTeam201605,     |  Actual Points:
  TorCoreTeam-postponed-201604                   |         Points:  3
Parent ID:                                       |        Sponsor:
 Reviewer:                                       |  SponsorS-can

Comment (by teor):

 The code is great - it's well-structured and a joy to read.

 But I wonder about the code copied from the base OR code:
 * have the changes to the OR code in 0.2.8 also been made in the copied
 code? (T7)
 (I wonder if this could be causing subtle breakage. But I have no evidence
 either way.)

 OK, now I'm done reading, time to debug:

 Once this patch is applied, chutney clients never download a microdesc
 consensus, even though the authorities have one. (But this works ok in
 maint-0.2.8.) I need to look into the code that's executed when a client
 asks an authority for a consensus for the first time. And I need to look
 at the code that this patch adds to existing tor OR code.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7144#comment:41>
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