On Sun, 11 Apr 2004, Syed Faisal Gillani wrote: > i am a newbie learning iptables ... > can u tell me the rule of blocking only ping on my nic ? Hi, try this: iptables -A INPUT -p icmp --icmp-type echo-request -j DROP to block incomming pings Anyway, remember that blocking pings is the best way to tell everyone "Hey dudes, I have something to protect, come in now!" regards Frederic -- < Ylli> lol je rigole neuro jte prend pa pr un pervers ms un president et pere de famille respectable :s http://www.seclab.jp