Well...there *is* MAC filtering...
...a useful security feature of (especially wireless) routers to help thwart wardriving (although WEP or WEP/PSK is probabaly sufficient). I have both (MAC filtering and WEP/PSK) on my router.
jb4
"Every Repbulican who wants to defend Bush on [the expansion of Presidential powers], should be forced to say, 'I wouldn't hesitate to see President Hillary Rodham Clinton have the same authority'."
&mdash an unidentified letter writer to Newsweek on the expansion of executive powers under the Bush administration