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| Subject: | Re: Blocking IM |
|---|---|
| Date: | Tue, 06 Dec 2005 22:16:30 -0500 |
might be useful. IM is covered- http://www.sans.org/top20/ Procedure overview: Block tcp 4443 & tcp 5050, block cs.yahoo.com and scsa.yahoo.com. other details are covered in the doc. -yoshiro (mark) aoki ----- Original Message ----- From: "Morales, David (Seta)" <David_Morales@onr.navy.mil> Date: Tuesday, December 6, 2005 7:30 pm Subject: Blocking IM To: firewalls@securityfocus.com Cc: "Amiryar, Edris (Seta)" <Edris_Amiryar@onr.navy.mil>
We are blocking IM at the Firewall (juniper 5200) and through Surf-control (Web Filtering product, but we are still able to connect to Yahoo IM. Has anyone been able to do this successfully? And, does anyonehave a list of ports to block so we cannot get to this IM? Thanks in advance, David Morales moraled@onr.navy.mil
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