Re: [tor-bugs] #6799 [Tor]: Don't expire unused relay-to-relay TLS conns so quickly

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#6799: Don't expire unused relay-to-relay TLS conns so quickly
-------------------------+-------------------------------------------------
     Reporter:  arma     |      Owner:
         Type:  defect   |     Status:  needs_review
     Priority:  major    |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor      |    Version:
   Resolution:           |   Keywords:  tor-relay anonymity-attack
Actual Points:           |  025-triaged 024-backport andrea-review-0255
       Points:           |  Parent ID:
-------------------------+-------------------------------------------------

Comment (by nickm):

 >To be clear, if one side runs the new code and one side runs the old
 code, then the old-code side will still close the connections at the
 earlier schedule?

 Yes.

 >And even if both sides are upgraded, then it isn't actually uniformly
 distributed between 15 and 22.5 minutes, since it will close first for
 whichever side chose the lower number? (This is fine, I just want to make
 sure I'm understanding it.)

 Hm. Yes.

 >I'd feel more comfortable here if somebody bumped up the severity of
 [...] and then ran a network for a while in chutney

 The problem there is that we don't have a chutney user simulator for this
 stuff, so the network mostly isn't used except if you're manually curl-ing
 over it.  So I can test that, but it will only be a bit useful.  Still, it
 could let us know if we have any truly egregious problems I guess.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6799#comment:15>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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