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Re: [tor-bugs] #10969 [Core Tor/Tor]: Set of guard nodes can act as a linkability fingerprint
#10969: Set of guard nodes can act as a linkability fingerprint
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Reporter: asn | Owner: (none)
Type: defect | Status:
| assigned
Priority: High | Milestone: Tor:
| unspecified
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: tor-client, tor-guard, XKEYSCORE, | Actual Points:
prop259, SponsorU-deferred, QUICKANT |
Parent ID: | Points: large
Reviewer: | Sponsor:
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Comment (by cypherpunks):
Replying to [ticket:10969 asn]:
>Still, as an example, in a city with only 500 Tor users, even if each
person has a single guard, there are only going to be a few people with
the same guard node (and some of them might always be in the same physical
location, so the one who roams is probably the same person).
when i think about it, i wonder if it also makes it worse when the same
user uses different devices clients that all use their own guard. this
should increase likability as well as roaming in the same location but it
is likely different guard from the same nat in fine granular traffic
pattern
should the single user better use same guard across everything?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10969#comment:51>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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