PREUN

/bin/sh

/usr/share/rpm-helper/del-service howl $1 mDNSResponder 
/usr/share/rpm-helper/del-service howl $1 nifd

POSTIN

/bin/sh

/usr/share/rpm-helper/add-service howl $1 mDNSResponder 
/usr/share/rpm-helper/add-service howl $1 nifd 

#%postun
#/sbin/service mDNSResponder condrestart
#/sbin/service nifd condrestart