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Re: [tor-talk] Why obfs4 bridges aren't work in Tails?



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Hi,

I have sent you a private email with some tested obfs4 bridges
operated by me. The bridges are public (in Bridge-db) but I'm not
sending them here for the entire mail list to know your entries in the
Tor network. After you test, if working, feel free to use them as much
as you want, or fetch other obfs4 bridges from Bridge-db.

If the bridges won't work, we should investigate further and let Tails
team know about it, if it's a bug, but I don't think so.


On Debian Wheezy 64bit with Tor 0.2.5.10 and obfs4proxy installed from
deb.torproject.org/torproject.org obfs4proxy main (via apt-get) 3
obfs4 bridges out of a total of 31 crashed with no error or warn in
Tor log.

/var/log/tor was an empty file
/var/log/tor/log.1 (log rotation) had in the last lines the regular
heartbeat notices, with info about total circuits, relayed traffic, [...
]

Simply started the Tor daemon again on these 3 servers and they are up
and running, no problem. Will keep an eye on this.

Yawning (CC'ed) made some updates and improvements to obfs4proxy for
better detection of process crash. Is the latest version of obfs4proxy
in the repository deb.torproject.org/torproject.org obfs4proxy main so
we can update in Debian simply with apt-get?

On 4/16/2015 7:53 PM, Alan Hiew wrote:
> Hello!
> 
> My story:
> 
> During booting from Tails LiveUSB I choice to use obfs4 bridges:
> 
> obfs4 141.201.*.*:45785 obfs4 68.45.*.*:* obfs4 54.66.*.*:18965 
> obfs4 82.243.*.*:990
> 
> (full data of these non-publish bridges I can send via private
> e-mail if someone need)
> 
> but during several minutes Tails doesn't make Tor connection.
> 
> Process has stopped at "Establishing an encrypted directory
> connection".
> 
> Tails 1.3 and later have to support bfs4 bridges as announced.
> 
> Why this can happen?
> 
> WBR, Alan Hiew
> 
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