3 conffile="/etc/sysconfig/iptables"
5 iptables -L | egrep -q '427|svrloc'
7 iptables -I INPUT 4 -p udp --sport 427 -j ACCEPT
8 iptables-save >$conffile
11 iptables -L | egrep -q '5353|mdns'
13 iptables -I INPUT 4 -p udp --sport 5353 -j ACCEPT
14 iptables-save >$conffile