Infosec
 

I refer to this site about once a week or so for firewall stuff. The Hacking lexicon is fun to read when you have extra time or need to clarify a term. http://www.robertgraham.com/pubs/
I thought I'd share it with TFP! Only the ignorant afraid of knowledge :)
~Crack

Interesting stuff, good material when I have nothing else to browse on the web for.