If you plan to attend Sunday's hands-on tutorial for using the IPsec server at NANOG, you may want to have a look at the slides in advance. You can find them at: http://www.packet-pushers.net/NANOG/ipsec/ Unix users, in particular, may need to prepare their systems by building a new kernel and/or installing an IKE daemon. The slides contain URLs for sample configuration files and startup scripts. Those files are also available at the above URL. Duane W.