On 05/01/10 16:11, Luke Jaeger wrote:
> Has anyone had any success blocking Tor thru pfsense/squidguard? Some of
> our savvier students are starting to use it to get around the content
> filters ...


TOR relies on nodes to hop on. You block the nodes. The protocol in more to do 
with annon access than firewall by-passing

http://tor.xenobite.eu:81/exported-files/tor_allnodes.csv

This site has a handy CSV list of nodes. I suggest you re-direct them to a 
warming page that sates their IP address has been recorded. A bit of student 
panic is always funny.  

There are some p2p TOR like systems that will be harder to stop.


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