Re: [tor-dev] Will people running a relay be blocked from accessing CN destinations?

[Ian Goldberg <iang@xxxxxxxxxxxxxxx>]

On Sat, Jun 11, 2011 at 07:14:52PM +0000, Jacob Appelbaum wrote:
> > On 06/11/2011 07:58 PM, Ian Goldberg wrote:
> >> Yes, but the client (say, inside China) is perfectly capable of
> >> artificially fragmenting its SYN packet.  It shouldn't be too hard to
> >> check what actually happens in this case?  (At least, for the current
> >> GFW configuration.)
> >
> > No it wouldn't be hard and I would be surprised if no one actually tried
> > that already. To be honest I didn't do any search on this.
> 
> It seems prudent to mention sniffjoke at this point:
> http://www.delirandom.net/sniffjoke/

Right. Blocking by IP is simple enough to do.  But go much deeper (even
to TCP), and you can play such packetization games.

   - Ian
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