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Re: [tor-bugs] #30649 [Core Tor/Tor]: Every few hours, relays [warn] Received circuit padding stop command for unknown machine.
#30649: Every few hours, relays [warn] Received circuit padding stop command for
unknown machine.
-------------------------------------------------+-------------------------
Reporter: teor | Owner:
| mikeperry
Type: defect | Status:
| needs_revision
Priority: Medium | Milestone: Tor:
| 0.4.1.x-final
Component: Core Tor/Tor | Version: Tor:
| 0.4.1.1-alpha
Severity: Normal | Resolution:
Keywords: tor-relay, circuitpadding, wtf-pad, | Actual Points:
041-must |
Parent ID: | Points: 1
Reviewer: | Sponsor:
| Sponsor2
-------------------------------------------------+-------------------------
Comment (by mikeperry):
Hrmm.. but there is something that origins can do.. They can use
ExcludeNodes to blacklist nodes that violoate protocol. Based on the
reasoning for having LOG_PROTOCOL_WARN, it sounds like origin-facing
procotol warns that mention the idhex and recommend ExcludeNodes should be
fine as regular warns.
The reasoning is that I think that some users would prefer padding
defenses to using broken nodes. Right now, circpad does not kill the
circuit if padding fails in a bizarre way. I am thinking it should, or at
least should tell the user and advise them.
This ticket got a lot more complicated than fixing this bug.. Should we
make a different ticket about the warns?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30649#comment:8>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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