http://www.howtoforge.com/blocking-ip-addresses-of-any-country-with-iptables http://blogama.org/node/62
I actually do something very similar when I am being lazy and Im sick of russia/china/korea/brazil hitting a particular server..... Chris -- "As we open our newspapers or watch our television screens, we seem to be continually assaulted by the fruits of Mankind's stupidity." -Roger Penrose
