#!/bin/bash iptables -F iptables -X iptables -t mangle -F iptables -t mangle -X iptables -t nat -F iptables -t nat -X iptables -N dom0 iptables -A dom0 -j ACCEPT iptables -N node1 iptables -A node1 -j ACCEPT iptables -P INPUT DROP iptables -A INPUT -p tcp -d 10.1.1.253 --syn -j dom0 iptables -A INPUT -p tcp -d 10.1.1.100 --syn -j node1 iptables -P FORWARD DROP iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -P OUTPUT DROP #echo 1 > /proc/sys/net/ipv4/ip_forward