RE: How to detect the IPs of users who are using IM and P2P programs

From: Maher Odeh (rax_at_netvision.net.il)
Date: 11/29/05 

Date: Tue, 29 Nov 2005 08:19:31 +0200
To: Nabeel S. Alzahrani(نبيل الزهراني) <nalzahrani@gosi.gov.sa>, <pen-test@securityfocus.com>

Hello Nabeel
You can always use QoS devices such as ALLOT to detect the traffic and analyze it in a way to show you P2P / Games / IM and more, but If you
Wish to use a freeware and such you can use ethereal to sniff the data
And then to analyze it, to implement ethereal you will need a port monitor
On a switched network to see all traffic passing in the segment you wish to
Monitor, if you wish a solution that's not freeware, try Sniffer Pro, there are much more tools but those the ones I use.

Thanks

-----Original Message-----
From: Nabeel S. Alzahrani(نبيل الزهراني) [mailto:nalzahrani@gosi.gov.sa]
Sent: Tuesday, November 29, 2005 06:37
To: pen-test@securityfocus.com
Subject: How to detect the IPs of users who are using IM and P2P programs

Dear All,

Is there any tool/method that allow me to detect the IPs of users who are using IM (Instant Messaging i.e. MSN messenger, Yahoo messenger, ICQ, etc) and P2P (Peer-2-Peer programs such Kazaa) in our network?
 
Thanks

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------------------------------------------------------------------------------
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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