Hello, ip6tables-save is not saving an udp port range if one of the ports is 0x0 or 0xFFFF. This is aleady fixed in the ipv4 version. I have attached the patch. Thanks in advance Thomas Woerner -- Thomas Woerner, Software Engineer Phone: +49-711-96437-0 Red Hat GmbH Fax : +49-711-96437-111 Hauptstaetterstr. 58 Email: twoerner@redhat.com D-70178 Stuttgart Web : http://www.redhat.de/