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Using CSA to filter MSN Messenger file upload and download

lkc
Level 1
Level 1

How would i go about filtering out the file upload and download functionality in messenger ?

I've already disallowed the possibility of uploading or saving from Messenger by not allowing the program the read or write files. But when a PC without this policy on it uploads to a CSA protected host. The CSA will download the entire file but then refuse to save the file.

I'd rather disallow this functionality alltogether ? my guess are that i would hae to do some COM filtering ?

I'd be greatfull for any hints you might have.

Best Regards,

Lasse

1 Reply 1

pradeepde
Level 5
Level 5

The document Blocking Peer-to-Peer File Sharing Programs with the PIX Firewall has more information on blocking file sharing applications.

http://www.cisco.com/en/US/tech/tk583/tk372/technologies_tech_note09186a00801e419a.shtml

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