#!/bin/bash

# kernel ip_forward
echo 1 > /proc/sys/net/ipv4/ip_forward

# Flush
iptables -F INPUT
iptables -F OUTPUT
iptables -F FORWARD
iptables -t nat -F
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P POSTROUTING ACCEPT
iptables -t nat -P OUTPUT ACCEPT

# Forwarding:
iptables -A FORWARD -p ALL -i eth0 -j ACCEPT
iptables -A FORWARD -i wlan0 -m state --state ESTABLISHED,RELATED -j ACCEPT

# Masquerading
iptables -t nat -A POSTROUTING -o wlan0  -j SNAT --to-source 10.0.0.43
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE