[tor-bugs] #25882 [Core Tor/Tor]: clients not detecting stale onion service introduction points
Tor Bug Tracker & Wiki
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Sun Apr 22 07:25:39 UTC 2018
#25882: clients not detecting stale onion service introduction points
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Reporter: cypherpunks | Owner: (none)
Type: defect | Status: assigned
Priority: Medium | Milestone: Tor: 0.3.4.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: tor-hs | Actual Points:
Parent ID: #22455 | Points:
Reviewer: | Sponsor:
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Comment (by cypherpunks):
Another interesting characteristic of this phenomenon is that there is a
correlation between the incidence of the behaviour in which a Tor client
will reach out to introduction points many times in futility to reach a
particular service, even when the Tor clients in question reside on
different machines living on different parts of the Internet. Suggest
that this means that there is something specific to the service that
periodically breaks. Since restarting Tor solves the problem almost
always, we might surmise that something cached is going stale.
This corroborates the inference that the introduction points are at fault.
They are contained in the onion service descriptor, which is cached by the
client.
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25882#comment:5>
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