#!/bin/bah
rules() {
    for chain in OUTPUT INPUT; do
        for proto in tcp udp; do
            for type in s d; do
                iptables -t filter $flag INPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -p ${proto} -m ${proto} --${type}port 53 -j ACCEPT;
            done
        done
    done
}