[tor-talk] Failed to connect to tor netword with the provided obfs3 bridges when using the tor-browser-linux64-3.6-beta-1.

Juan Garofalo juan.g71 at gmail.com
Fri Mar 28 19:25:18 UTC 2014



--On Thursday, March 27, 2014 10:11 PM +0800 Hongyi Zhao
<hongyi.zhao at gmail.com> wrote:

> Yes, I'm from China.  And the GFW is a annoying thing ;-(


	It protects you from american spying though. Whereas Tor enables it. 



> 
> 
> 2014-03-27 16:55 GMT+08:00 Roger Dingledine <arma at mit.edu>:
> 
>> On Thu, Mar 27, 2014 at 03:51:09PM +0800, Hongyi Zhao wrote:
>> > In my case, considering that I use router for surfing and don't set the
>> > port fordwarding on the router,  I don't test the  flashproxy bridges
>> > shipped with the above tor-browser-bundle.
>> 
>> Ok. If the other two stop working for you, maybe you will try
>> Flashproxy. :)
>> 
>> >  Considering that the obfs3 is the recommented type of tranport bridge,
>> why
>> > I meet this issue?  Any hints on this issue will be highly appreciated.
>> 
>> It looks like the obfs3 bridges in the bundle are blocked by your
>> network. And it looks like the fte bridges in the bundle are not blocked
>> by your network.
>> 
>> Are you in China perhaps?
>> 
>> Note that whether the particular bridges are blocked (probably by IP and
>> port) is a different question from whether the protocol (obfs3 or fte)
>> is blocked by deep packet inspection. That is, it could just be that
>> somebody at GFW fetched the bundle earlier and blocked the specific obfs3
>> bridges that it lists, whereas they haven't fetched a recent bundle to
>> block the fte bridges yet.
>> 
>> So if you found an obfs3 bridge that GFW hasn't found yet, it would
>> probably still work? Worth testing. But that said, assuming you are in
>> China, there aren't enough obfs3 bridges total, and it's not easy to
>> give them out to everybody without GFW learning them too:
>> https://blog.torproject.org/blog/how-to-read-our-china-usage-graphs
>> 
>> --Roger
>> 
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> 
> 
> 
> -- 
> Hongyi Zhao <hongyi.zhao at gmail.com>
> Xinjiang Technical Institute of Physics and Chemistry
> Chinese Academy of Sciences
> GnuPG DSA: 0xD108493
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