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Re: [tor-bugs] #8591 [Censorship analysis]: GFW actively probes obfs2 bridges
#8591: GFW actively probes obfs2 bridges
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Reporter: phw | Owner: phw
Type: task | Status: new
Priority: normal | Milestone:
Component: Censorship analysis | Version:
Keywords: obfs2, gfw, active probing, censorship, china | Parent:
Points: | Actualpoints:
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Comment(by phw):
Replying to [comment:12 asn]:
> A cheap thing to do would be to test obfs2+brdgrd and see if you get
active probed. Although, reading Philipp's replies it seems that their
detection method is so inconsistent that we won't get a clear answer on
whether obfs2+brdgrd is beneficial.
I am not sure if brdgrd is still effective. For a number of Chinese users,
my bridge was probed despite brdgrd running. The tool did its job but the
scanners showed up nevertheless. So perhaps they are now partially able to
reassemble TCP streams.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8591#comment:13>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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