[MLB-WIRELESS] MAC security - how good is it?

Cameron McCormack clm at mail.csse.monash.edu.au
Tue Feb 11 20:46:04 EST 2003


Hi Nathan.

Nath P:
> I was wondering, how good is mac security by itself with no other security?
> thanks,

Pretty insecure, actually.  You can change the mac address used by the
interface quite easily.  e.g. in Linux you can just do "ifconfig wlan0
hw 12:34:56:78:90:ab" and that mac address will be used instead of the
one stored in the adapter's ROM.  Using netstumbler or some sniffing
program you can just find out which mac addresses are being used on a
wireless LAN and just use one of them.

Cameron

-- 
Cameron McCormack
  // clm at csse.monash.edu.au
  // http://www.csse.monash.edu.au/~clm/
  // icq 26955922

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