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Re: [tor-bugs] #25756 [Core Tor/Tor]: EARLY_CONSENSUS_NOTICE_SKEW of 60 is too strict for some drifting dirauth clocks



#25756: EARLY_CONSENSUS_NOTICE_SKEW of 60 is too strict for some drifting dirauth
clocks
-------------------------------------------------+-------------------------
 Reporter:  Dbryrtfbcbhgf                        |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  unspecified
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.2.10
 Severity:  Normal                               |     Resolution:
 Keywords:  clock-skew, s8-errors, 034-roadmap-  |  Actual Points:
  proposed                                       |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor8-can
-------------------------------------------------+-------------------------
Changes (by catalyst):

 * keywords:  clock-skew, s8-errors => clock-skew, s8-errors, 034-roadmap-
     proposed


Comment:

 During this week's meeting, we decided it would be a good idea to relax
 this test to account for the voting schedule.  That way for a client or
 relay to get a "consensus is coming from the future" warning, enough
 dirauths would have to have their clocks skewed by about the same amount.
 A single dirauth with an early clock shouldn't be able to induce this
 warning by releasing a consensus early.  (This is what happened with
 dizum.)

 arma says the `voting-delay` consensus parameter is something we want to
 look at if we want to not hard code this.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25756#comment:14>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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