RE: Network Sniffer

[Nick Schroedl <NSchroedl () mullen-group com>]

On a local LAN (same subnet) you could ARP Poison the client and sniff the
traffic that way, or MAC flood the switch and try to get the switch to
broadcast all traffic. On a remote network you (as the admin) could mirror
the switch port from a managed switch and then sniff the traffic.  

Basically from my experience you would be looking for an ARP monitoring
solution.  Basically use a login script and force the MAC of the gateway.
But then again this is only from my experience.


-----Original Message-----
From: listbounce () securityfocus com [mailto:listbounce () securityfocus com] On
Behalf Of Javier Alfonso Valdés
Sent: Thursday, November 03, 2011 6:41 AM
To: security-basics () securityfocus com
Subject: Network Sniffer

Hello,
I'm wondering if there is a way to sniff a remote computer's traffic, that
computer would be on a different lan, and how could that be blocked. as far
as i know, wireshark sniffs only my computer and ettercap only on the same
lan.

--
Regards
Javier Alfonso Valdés
Data Technology Center  (DATEC)
University of Informatics Sciences.


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