I am going to recommend blocking access to the Tor Directory Servers, and to start blocking ports that may be in any way associated with Tor.
Also going to recommend like you said blocking and constantly updating the actual Tor routers.
Even if that doesn't solve the problem, which it won't, if I can help make it a headache on the technical side for someone to use Tor, I'm one step further ahead.
One step in a ladder that I'm never going to be able to climb.
I'll try to get further information why using Tor and such services creates a problem at the gateway level. Pretty sure I understood correctly that it was.
A while back there was an article in Linux Magazine that talked about a Proxy server basically killing services like HSS and Tor. I'll have to dig that up again.
Lots of good information here. Thanks for the replies so far!
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