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Message: [QUOTE="Rich Rohrich, post: 562009, member: 16241"] Unfortunately 802.11 sends MAC addresses in cleartext even when WEP is enabled. Add to that the fact that most decent wireless NICs provide manual MAC addressing at the driver level. So spoofing a trusted MAC is simply a matter of running a wireless sniffer app (opensource Ethereal works great) and pulling the first trusted MAC that passes and re-addressing a card to match it. In short, MAC filtering is even EASIER to get around than the pitfull WEP encryption. Don't count on it keeping anyone but the terminally stupid (hey cool pun) of your wireless LAN. 802.11x is supported in Windows XP and now WIN2000. It's far from perfect but it's a big enough PITA that most wireless hackers will find an easier or more interesting target. In spite of the issues, WIRELESS ROCKS :yeehaw: [/QUOTE]