PREUN

/bin/sh

/usr/share/rpm-helper/del-service iptables $1 iptables 
/usr/share/rpm-helper/del-service iptables $1 ip6tables

POSTIN

/bin/sh

/usr/share/rpm-helper/add-service iptables $1 iptables 
/usr/share/rpm-helper/add-service iptables $1 ip6tables 
/sbin/service iptables check