PREUN

/bin/sh

if [ $1 = 0 ]; then
  /sbin/service denyhosts stop > /dev/null 2>&1
  /sbin/chkconfig --del denyhosts
fi
exit 0

POSTIN

/bin/sh

/sbin/chkconfig --add denyhosts
/sbin/service denyhosts condrestart
exit 0