#!/bin/sh
# Load the NAT module (this pulls in all the others).
modprobe iptable_nat

# Turn on IP forwarding
echo 1 > /proc/sys/net/ipv4/ip_forward

# In the NAT table (-t nat), Append a rule (-A) after routing (POSTROUTING)
# which says to MASQUERADE the connection (-j MASQUERADE).
/usr/sbin/iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -j MASQUERADE

# Allows forwarding specifically to our LAN
/usr/sbin/iptables -A FORWARD -s 192.168.0.0/24 -j ACCEPT