#!/bin/bash
echo "1" > /proc/sys/net/ipv4/ip_forward
iptables -F
iptables -t nat -F
iptables -P INPUT DROP
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -i eth0 -j ACCEPT
iptables -A INPUT -i eth1 -j ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -t nat -A POSTROUTING -s 192.168.100.1/26 -j MASQUERADE
iptables -t nat -nvL