#! /bin/bash

conffile="/etc/sysconfig/iptables"

iptables -L | egrep -q '427|svrloc'
if [ $? -ne 0 ]; then
    iptables -I INPUT 4 -p udp --sport 427 -j ACCEPT
    iptables-save >$conffile
fi

iptables -L | egrep -q '5353|mdns'
if [ $? -ne 0 ]; then
    iptables -I INPUT 4 -p udp --sport 5353 -j ACCEPT
    iptables-save >$conffile
fi

exit 0