#!/bin/bash

# Check for root user
CURR_USER=`/usr/bin/whoami`
if [ "$CURR_USER" != "root" ]; then
	echo "I need root rights... Please login from root"
	exit
fi

# Clear all rules for port 80
while :
do
	last_num="0"
	while read rnum; do
		last_num="$rnum"
	done < <(/sbin/iptables -L INPUT -n --line-numbers | /bin/grep 'tcp dpt:80' | /usr/bin/awk '{print $1}')
	if [ "$last_num" = "0" ]; then
		break
	fi
	/sbin/iptables -D INPUT $last_num
done