#!/bin/sh
#iptables reset
IPT=/sbin/iptables

#accept all
$IPT -P INPUT ACCEPT
$IPT -P OUTPUT ACCEPT
$IPT -P FORWARD ACCEPT
$IPT -P POSTROUTING ACCEPT -t nat
$IPT -P PREROUTING ACCEPT -t nat
$IPT -P OUTPUT ACCEPT -t nat

#delete all
$IPT -F
$IPT -F -t nat

#delete all user chains
$IPT -X

# disable forwarding
echo 0 > /proc/sys/net/ipv4/ip_forward