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MAC address filtering

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MAC address filtering

Is MAC address filtering enough to stop others using my wifi connection? I know that means they can't connect to my router and gain access to my network or internet connection.
I'm not bothered about others reading what data I am transferring over Wifi so my question is MAC filtering enough for my needs?
2 REPLIES
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MAC address filtering

It should stop people accidentally using your AP, or people whose laptops suddenly picked up a new WiLAN and decided to use it, but it won't stop someone who's deliberately choosing to use your network - not if they've any technical smarts.

AFAIK, it shouldn't be too difficult to extract the MAC address from data packets being transferred. After that, an intruder could definitely use the network when you weren't, by setting their network card's MAC address to be the same as yours.

If your equipment's relatively up-to-date then there shouldn't be a speed issue with enabling WEP, at least. Mine's pretty old (original Lucent WaveLAN gear) and there's a performance penalty, so I make do with MAC filtering alone. I sit by the networking equipment, and don't leave it powered up when I'm not in (no servers? no point then) so I'd probably notice from the activity lights if anyone was using my connection. And their welcome to record my gaming/pornsurfing net activity if they like!
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MAC address filtering

Check out this thread, if you haven't already:

http://portal.plus.net/central/forums/viewtopic.php?t=31447