Seems quite complex. What's wrong with a directory: /etc/iptables.d/ where RPMs like libvirt just drop the required additional rules (in a separate chain if you like) and restart the iptables service? It's low-tech but simple and it's all that libvirt needs. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into Xen guests. http://et.redhat.com/~rjones/virt-p2v -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel