What is the finniest firewall rule set that you know of? It doesn't necessarily have to stop attacks, you could just be having fun with the attacker. Any type of firewall will do, Packet Filter (like iptables) or even a Web Application Firewall(like mod_security).
closed as not a real question by ThatGraemeGuy, RobM, Dennis Williamson, Chopper3 Jul 26 '10 at 8:36
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