#!/bin/sh iptables -F iptables -P INPUT DROP iptables -A INPUT -i lo -p all -j ACCEPT iptables -A INPUT -i eth1 -p all -j ACCEPT iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT #iptables -A INPUT -j DROP