full-disclosure - Caching a sniffer

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Message-ID: <1079028078.3865.33.camel@linus.calgary.chartwelltechnology.com>
From: ksmith at chartwelltechnology.com (Kenton Smith)
Subject: Caching a sniffer

On Thu, 2004-03-11 at 10:43, Mike Fratto wrote:

> 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.

There are many people on this list who have more knowledge of this than
I do, but having control of the switch isn't the only way to sniff a
switched network. All you need is a way of spoofing ARP packets and you
can intercept all the traffic you want. Here's one such set of tools -
http://naughty.monkey.org/~dugsong/dsniff/

Kenton