This is for Visor Users that have Cable Modems or other broadband Internet access with a static IP address. A firewall is essential to prevent someone from poking around in your system. I use ZoneAlarm from http://www.zonelabs.com . Best of all it is FREE! and works very well. Refer to this URl for more information: http://www.networkmagazine.com/artic...9S0019#sidebar