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Re: [tor-bugs] #24895 [Core Tor/Tor]: MAX_REND_FAILURES is 1, but we will try three times
#24895: MAX_REND_FAILURES is 1, but we will try three times
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Reporter: arma | Owner: (none)
Type: defect | Status:
| needs_revision
Priority: Medium | Milestone: Tor:
| 0.3.3.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: 032-backport, 031-backport, | Actual Points:
030-backport, 029-backport, 025-backport |
Parent ID: | Points:
Reviewer: dgoulet | Sponsor:
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Comment (by dgoulet):
Datapoint: In months of running v2 and v3 onions, I've seen twice a
relaunch of a rendezvous point circuit. If the Guard can keep up with the
service circuit creation, it is something I've rarely seen failing.
Ok agree that perhaps having two tries to reach the RP is what I think we
should have in normal circumstances, not only 1 which is the current
patch. I like the idea of having a consensus parameters so we can adjust
accordingly depending on the network load.
But for the current network situation, I think we want to bring it down to
1 for now because right now 1 million clients introducing would be
inducing two million circuits by the services they are trying to reach. At
that scale, I'm ready to call it amplification attack vector.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24895#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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