Re: Interesting WIFI MAC address problem?

Bash <Bash.2sshcv@no-mx.wirelessforums.org> hath wroth:

>
>I am running NetStumber to see what I can pick up locally. It picks up
>WIFI enabled mobile phones and other like equipment as they pass my
>machine as well as displaying fixed Peer and AP's.

Are you sure you're running Netstumbler 0.4? It does not pickup
client radios, such as Wi-Fi enabled cell phones (like my XV6700), and
wireless clients such as notebooks. What are you really doing?

>Interestingly I noticed lots of Peer devices with the same name (no
>longer within range) with different MAC addresses. After some
>investigation I found that these Peer devices (what ever they were)
>seem to be the same device each time they come into range of
>NetStumbler and yet report a different MAC address each time.

Oh that bug. See:
<http://www.nmrc.org/pub/advise/20060114.txt>
<http://blogs.chron.com/techblog/archives/2006/09/free_public_wif.html>

It was fixed about a year ago with an MS update, but many users don't
seem to believe in updates.
<http://support.microsoft.com/kb/917021>

>I thought you required a fixed MAC address for WIFI? This helps
>security by MAC filtering. Why are these devices changing MAC address
>each time I see them? How are they doing it and why? Anyone ever seen
>this before or know why?

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Jeff Liebermann jeffl@cruzio.com
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