#!/bin/sh # # Set the default policy # iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT # # Set the default policy for the NAT table # iptables -t nat -P PREROUTING ACCEPT iptables -t nat -P POSTROUTING ACCEPT iptables -t nat -P OUTPUT ACCEPT # # Delete all rules # iptables -F iptables -t nat -F # # Delete all chains # iptables -X iptables -t nat -X # End message echo " [End of flush]"