#!/bin/shiptables -F INPUTiptables -F FORWARDiptables -F OUTPUTiptables -P INPUT ACCEPTiptables -P OUTPUT ACCEPTiptables -P FORWARD ACCEPTiptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADEecho "1" > /proc/sys/net/ipv4/ip_forward