From: John Beckett 

"Antti Kurenniemi"  wrote in
message news::
> I've got WLAN set at my office, and it's started acting funny: I can use it
> for like a couple of hours (one hour yesterday, about three today) normally,
> and then all of a sudden my computer (XP Pro) drops the wireless connection.

The likely issues have been covered, but bear in mind that one symptom of
being under attack is that you are kicked off the network.

Particularly if you were using WEP encryption, the standard attack
mechanism involves running a program (on the attacker's wireless box) that
sends packets that cause your wireless connection to drop. They then sniff
the re-association to extract WEP-attacking info.

John

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