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RE: Caching a sniffer
From: "Mike Fratto" <mfratto () nwc com>
Date: Thu, 11 Mar 2004 12:43:17 -0500

-----Original Message-----
From: full-disclosure-admin () lists netsys com 
[mailto:full-disclosure-admin () lists netsys com] On Behalf Of 
Kenton Smith
Sent: Thursday, March 11, 2004 11:50 AM
To: pbruna () masev cl
Cc: Full Disclosure; SECURITY-BASICS () securityfocus com
Subject: Re: [Full-disclosure] Caching a sniffer

I skimmed through some of the articles and they all have some 
good information. Are you running a switched network? If you 
are then the easiest way is to look at your traffic stats and 
find the port that
*all* traffic is going to.
If this doesn't make sense to you, then you should do some 
more research on sniffers.

Your assuming that the attacker 1) has control of the switch and 2) is
sniffing either the uplink or has configured the switch to mirror all the
switch ports or VLAN to the mirror port. 

Neither of which may be the case.

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