iptables for prod machines

gistfile1.sh

#! /bin/bash

iptables -F

iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT DROP

iptables -A INPUT -i eth1 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -o eth1 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT

iptables -A INPUT -i eth1 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -o eth1 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT

iptables -A INPUT -i eth1 -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -o eth1 -p tcp --sport 443 -m state --state ESTABLISHED -j ACCEPT

iptables -A OUTPUT -d x.x.x.x  -j ACCEPT
iptables -A INPUT -s x.x.x.x  -j ACCEPT

iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT