My home Router has following iptables rules iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A INPUT -i lan-interface -j ACCEPT iptables -A INPUT -i wan-input -j DROP iptables -A FORWARD -m --state ESTABLISHED,RELATED -j ACCEPT iptables -A FORWARD -i lan-interface -o wan-interface -j ACCEPT iptables -A FORWARD -i wan-interface -o lan-interface -j DROP pptp pass thru and l2tp pass thru works fine without adding any extra rule . why ?' Is it because of ALGs ? Thanks, Ratheesh -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html