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Re: [tor-bugs] #18177 [DocTor]: Check Fallback Directory IPv4 and IPv6 addresses using DocTor
#18177: Check Fallback Directory IPv4 and IPv6 addresses using DocTor
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Reporter: teor | Owner: atagar
Type: enhancement | Status: reopened
Priority: Medium | Milestone:
Component: DocTor | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by teor):
Replying to [comment:17 atagar]:
> > The fingerprint.
> > I guess stem can't check the fingerprint unless it speaks the ORPort
protocol?
>
> What value are you hoping to get from this? Would checking that the
fingerprint matches what's in the consensus do what you're after? Stem
validates signatures of a few descriptor types but I don't think that's
really what you're after here.
Clients will refuse to connect to a fallback if it's changed its
fingerprint from the fingerprint in the hard-coded list.
So yes, comparing the fingerprint in the fallback list to the current one
for that IPv4:ORPort and IPv6:IPv6ORPort (if present) would discover this
kind of failure. (And the IPv6 check wouldn't need any IPv6 connectivity!)
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18177#comment:18>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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