Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  closed
 Priority:  Medium|  Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:  implemented
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:  nickm |Sponsor:
--+

Comment (by teor):

 Apparently, another issue that may be *resolved* by this change is that
 relays will try harder to update an out-of-date microdesc consensus, which
 is what we want. See #20909, although it is possible that other relays
 have stale full consensuses.

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  closed
 Priority:  Medium|  Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:  implemented
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:  nickm |Sponsor:
--+

Comment (by teor):

 And the trifecta:

 #20839 is a subtle bug in full descriptor validation which was exposed by
 this change.
 It mainly affects clients with FetchUselessDescriptors 1.
 But it also could cause authorities and mirrors to consider all
 descriptors old or failed.
 And it might also cause issues with caching them, working out when to
 discard them as old, and serving them over either the control port or
 DirPort.

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  closed
 Priority:  Medium|  Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:  implemented
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:  nickm |Sponsor:
--+

Comment (by teor):

 We're tracking the underlying bug in #20667.

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  closed
 Priority:  Medium|  Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:  implemented
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:  nickm |Sponsor:
--+

Comment (by teor):

 Replying to [comment:10 nickm]:
 > Calling this merge-ready, but for 0.3.0. I predict that there will be at
 least one impressively weird implication of removing the server_mode()
 check in we_use_microdescriptors_for_circuits().

 Here's another weird impact:
 FetchUselessDescriptors 1 used to imply UseMicrodescriptors 0, but it
 doesn't any more.
 Therefore, bandwidth authorities (and other clients expecting a full
 consensus) have to explictly set `UseMicrodescriptors 0`. See #20621.

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  closed
 Priority:  Medium|  Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:  implemented
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:  nickm |Sponsor:
--+
Changes (by nickm):

 * status:  merge_ready => closed
 * resolution:   => implemented


Comment:

 Merged into master

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  merge_ready
 Priority:  Medium|  Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:  nickm |Sponsor:
--+

Comment (by teor):

 Replying to [comment:10 nickm]:
 > Calling this merge-ready, but for 0.3.0. I predict that there will be at
 least one impressively weird implication of removing the server_mode()
 check in we_use_microdescriptors_for_circuits().

 ++

 I predict one weird but very minor impact:
 * some DirPort reachability checks will fail, because relays will
 occasionally choose a relay that exits to their DirPort for most of the
 world, but not their address
   * in the rare cases where this does happen, there might be a short delay
 to relay initial bootstrap while the relay retries another exit
   * this has less impact on bridges, as they don't need a DirPort
   * relays only do reachability checks once, just after they start, so
 this has no ongoing impact for running relays

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  merge_ready
 Priority:  Medium|  Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:  nickm |Sponsor:
--+
Changes (by nickm):

 * status:  needs_review => merge_ready
 * reviewer:   => nickm
 * milestone:  Tor: 0.2.9.x-final => Tor: 0.3.0.x-final


Comment:

 Calling this merge-ready, but for 0.3.0. I predict that there will be at
 least one impressively weird implication of removing the server_mode()
 check in we_use_microdescriptors_for_circuits().

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  needs_review
 Priority:  Medium|  Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:|Sponsor:
--+
Changes (by nickm):

 * milestone:  Tor: 0.2.??? => Tor: 0.2.9.x-final


Comment:

 We can review in 0.2.9, but my sense is that 0.3.0 is likelier to be the
 right point to merge.

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Re: [tor-bugs] #6769 [Core Tor/Tor]: Relays (and bridges) don't use microdescriptors

[Tor Bug Tracker & Wiki]

#6769: Relays (and bridges) don't use microdescriptors
--+--
 Reporter:  arma  |  Owner:
 Type:  defect| Status:  needs_review
 Priority:  Medium|  Milestone:  Tor: 0.2.???
Component:  Core Tor/Tor  |Version:
 Severity:  Normal| Resolution:
 Keywords:  tor-relay |  Actual Points:
Parent ID:| Points:
 Reviewer:|Sponsor:
--+--
Changes (by arma):

 * status:  new => needs_review
 * severity:   => Normal


Comment:

 My branch {{{bug6769}}} fixes this issue.

 It's built on #20269, so we should resolve that ticket first.

 (I'm running it on moria5 and it seems fine. We might want to wait until
 0.3.0 if we want to be extra conservative here. But I don't think we're
 going to find any issues.)

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