#! /bin/sh echo "1" > /proc/sys/net/ipv4/ip_forward echo "1" > /proc/sys/net/ipv4/ip_dynaddr iptables -F iptables -Z iptables -t nat -F iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD ACCEPT iptables -t nat -F iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A FORWARD -i eth1 -o eth0 -m state --state NEW -j ACCEPT iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE