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Re: [FW-1] Blocking Messenger Applications
- To: [email protected]
- Subject: Re: [FW-1] Blocking Messenger Applications
- From: Frank Darden <[email protected]>
- Date: Tue, 5 Aug 2003 11:49:59 -0400
- Reply-to: Mailing list for discussion of Firewall-1 <[email protected]>
- Sender: Mailing list for discussion of Firewall-1 <[email protected]>
- Thread-index: AcNap8YLfHH88/OiTwuNHK/o23elQgAqhbNAAAW4t+A=
- Thread-topic: [FW-1] Blocking Messenger Applications
This is one issue AI specifically adresses. Unfortunately, blocking the networks is not an effective means of dealing with this issue. It can temporarily, and in some cases permanently shut off one particular messaging service. I equate this to trying to use your own list to block adult websites. SmartDefense addresses this issue by intelligently inspecting data transactions, and recognizing the messaging protocol itself. As new services come out, you have the ability to filter and identify them using regular expressions.
Frank
-----Original Message-----
From: Lars Troen [mailto:[email protected]]
Sent: Tuesday, August 05, 2003 9:08 AM
To: [email protected]
Subject: Re: [FW-1] Blocking Messenger Applications
If you're using AI I guess you could do it from SmartDefense. Otherwise you must block the Messenger server networks (addresses have been posted here previously).
Lars
> -----Original Message-----
> From: Juan Andres Galavis [mailto:[email protected]]
> Sent: Monday, August 04, 2003 18:10
> To: [email protected]
> Subject: [FW-1] Blocking Messenger Applications
>
>
> Hi,
>
> You all might have heard this one before, but as I am new
> at this topic I
> will go through it again.
> What techniques have been used to block or drop at the firewall,
> Messenger generated traffic???? Which rules are the best to apply???
>
> Thanks a lot.....
>
> Saludos, Regards,
>
> Juan Andrs Galav s
>
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