#!/bin/bash

function RULES()
{
iptables -P INPUT DROP
iptables blah blah blah
}

function STOPP()
{
iptables -x
iptables -f	
blah blah blah

}


case "$1" in
	start)
	RULES
	;;
	stop)
	STOPP
	;;
	*)
	echo "usage $0: start | stop)
esac