#!/bin/sh
#
# Startup script for nat
#


IPTABLES=/usr/local/sbin/iptables
#IPTABLES=/sbin/iptables
EXT_IF=eth0
INT_IF=eth1

case "$1" in
        start)
           echo -n "Starting nat firewall: "
           $IPTABLES --table nat --flush
           $IPTABLES --table nat --delete-chain
           $IPTABLES -t nat -A POSTROUTING -s 192.168.4.0/24 -j SNAT --to-source 172.16.3.4
           echo "Done"
        ;;
        stop)
           echo -n "Stopping nat firewall: "
           $IPTABLES --table nat --flush
           $IPTABLES --table nat --delete-chain
           echo "Done"
        ;;
        restart)
           $0 stop
           $0 start
        ;;
        *)
           echo "Usage: %s {start|stop|restart}\n" "$0"
        exit 1
esac

exit 0