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Re: [tor-bugs] #20348 [Metrics/Censorship analysis]: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06
#20348: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06
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Reporter: dcf | Owner:
Type: project | Status: reopened
Priority: Medium | Milestone:
Component: Metrics/Censorship analysis | Version:
Severity: Normal | Resolution:
Keywords: censorship block kz | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by cypherpunks):
> Can you try compiling the obfs4proxy code with the race detector?
Tested. Nothing output to obfs4proxyrace.txt
Now it's 2 frames enough to trigger something wrong, sometimes it works ok
and sometimes fails. Then I tested again with yet another (3rd) bridge and
it failed on some try
> [ERROR]: obfs4([scrubbed]:5881) - outgoing connection failed: handshake:
MAC mismatch: Dervied: 925fd9aeef8dad29e421fc22a0eae922 Received:
d34321739755bb58fed6758c3f23ba43.
It's something about local(transport)/isp/state thing, it's not about
obfs4 code maybe.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20348#comment:38>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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