#!/bin/sh echo -e "\n\nLoading sh.flixil.firewall-iptables..\n" IPTABLES=/sbin/iptables EXTIF="wlan0" INTIF="eth0" echo " External Interface: $EXTIF" echo " Internal Interface: $INTIF" $IPTABLES -A FORWARD -i $EXTIF -o $INTIF -m state --state ESTABLISHED,RELATED -j ACCEPT $IPTABLES -A FORWARD -i $INTIF -o $EXTIF -j ACCEPT $IPTABLES -A FORWARD -j LOG echo 1 > /proc/sys/net/ipv4/ip_forward echo " Enabling SNAT (MASQUERADE) functionality on $EXTIF" $IPTABLES -t nat -A POSTROUTING -o $EXTIF -j MASQUERADE echo -e "\nflixil.firewall-iptables done.\n"