From: Dave Bush (hockeystatman@gmail.com)
Date: Sat Oct 29 2005 - 09:11:50 EDT
On 10/27/05, Andy Meyers <andy.meyers@hushmail.com> wrote:
> Now i know people say you "cant" sniff on a switch and I know about ARP
> poisoning and MAC flooding. But there has to be another way. I have heard
> too many stories about "he sniffed my AIM conversation on a Cisco switch"
> (an example is in the most recent version of 2600). Does anyone know of any
> technique how to do this? Can you ARP poison a switch?
I've heard of the techniques used by DSNIFF, but have never tried it.
If you've got admin privs on a switch (either authorized or
unauthorized) you can span a port so that two get the same traffic.
ie: Make port 7/23 (your port) the same as port 7/9 (the port you want
to sniff).
Have done this to monitor systems before. Works like a charm!
-- Dave Bush <hockeystatman@gmail.com> There are two seasons in my world - Hockey and Construction ------------------------------------------------------------------------------ Audit your website security with Acunetix Web Vulnerability Scanner: Hackers are concentrating their efforts on attacking applications on your website. Up to 75% of cyber attacks are launched on shopping carts, forms, login pages, dynamic content etc. Firewalls, SSL and locked-down servers are futile against web application hacking. Check your website for vulnerabilities to SQL injection, Cross site scripting and other web attacks before hackers do! Download Trial at: http://www.securityfocus.com/sponsor/pen-test_050831 -------------------------------------------------------------------------------
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