# Generated by iptables-save v1.4.16.3 on Wed Jan 16 16:22:34 2013 *filter :INPUT DROP [25:5586] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [62:7702] #very important: Allow all traffic initiated from the router to return from Internet. There is no connectivity without this -A INPUT -m conntrack --ctstate ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT #drop everything else from Internet -A INPUT -i eth1 -j DROP COMMIT # Completed on Wed Jan 16 16:22:34 2013