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Re: Block directory authorities, is it possible?

You can get a list of servers from a friend or online and manually
import them into tor. Also, you might want to consider anonymous socks
servers to route your traffic through that Golden Shield couldn't
Ringo Kamens

On 1/12/07, Shava Nerad <shava@xxxxxxxxxxxxx> wrote:
At 04:41 AM 1/12/2007, Pei Hanru wrote:
>Well, Tor will finally recover here when the fibers are repaired. But
>this reminds me of a possible attack against the Tor network, say, if
>the notorious Great Firewall of China blocks *all* the connections to
>*all* the directory authorities (currently 5 I believe), then Tor will
>will become completely useless in China. Considering the number of
>directory authorities, this doesn't seem to be infeasible. (In fact, I
>think this is easy to some extent.)
>Am I understanding correctly? Are there any actions Tor can take? After
>all, we cannot simply assume this will not happen in the future.

You are correct that this is a vulnerability now.  We're developing a
blocking resistance strategy that should ameliorate this
risk.  Perhaps one of the developers will comment on this further.


Shava Nerad Executive Director The Tor Project http://tor.eff.org/ http://blogs.law.harvard.edu/anonymous/ shava@xxxxxxxxxxxxx +1 617-776-2659 +1 617-767-6735 (cell) skype: shava23