WCS Alarms

Unanswered Question
Sep 3rd, 2008
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We have deployed Wireless in a few offices as a proof of concept and we have started to get the following alarm at one site:

The AP '00:1f:ca:2e:59:a0' with protocol '802.11b/g' on Controller '#.#.##.#' received a message with a large NAV field and all traffic on the channel has been suspended. This is most likely a malicious denial of service attack.

The above is continually being reported on a couple (but not all) APs at this office.

In addition do you have any info/comment on the following:

· Big NAV Attack detected.

· Auth/De-auth floods i.e. "IDS 'Auth flood' Signature attack detected".

· Assoc/Deassoc flood i.e. "IDS 'Assoc flood' Signature attack detected".

Many Thanks

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