full-disclosure - (AUSCERT AA-2004.02) AUSCERT Advisory - Den ial of Service Vulnerability in IEEE 802.11 Wireless Devices (fwd)

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Message-ID: <20040513201442.GA25845@positivism.org>
From: seth at tautology.org (Seth Alan Woolley)
Subject: (AUSCERT AA-2004.02) AUSCERT Advisory - Den ial of Service Vulnerability in IEEE 802.11 Wireless Devices (fwd)

On Thu, May 13, 2004 at 12:36:18PM -0400, Ng, Kenneth (US) wrote:
> I've been around long enough to remember having an AUI NIC that would take
> down a segment even when the NIC WAS NOT PLUGGED INTO THE PC.  Suspicion was
> that there was a short in the transceiver that was causing massive
> reflections back into the segment.

This is annoying.  I once did a similar thing to a netgear "managed"
switch setup in two VLANs.  Experimenting, I setup a crossover cable
between the two VLANs to see how real the separation was.  My theory was
that it would work like having two separate switches.  I was wrong.  It
took down the whole network as if I had run a crossover back into a
switch that wasn't partitioned.  I don't know whether or not this is a
bug or not, but it makes me wonder just how good this netgear managed
switch is and if I should replace it with something better for my
internal DMZ purposes.

Seth

--
Seth Alan Woolley [seth at positivism.org], SPAM/UCE is unauthorized
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