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Network Security Firewalls
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Re: Theoretical question: Can firewall detect attack which he can't bloc

from [Kevin Lee] Network Security [Permanent Link]
Subject: Re: Theoretical question: Can firewall detect attack which he can't block?
Date: Tue, 28 Jun 2005 20:05:40 +0800 
Yes.

IDS do not block nor prevent. It merely detects.

----- Original Message ----- From: "Prashant Meswani" <prashant.meswani@ukonline.co.uk>
To: "'Ishay'" <ishaybs@gmail.com>; <firewalls@securityfocus.com>
Sent: Sunday, June 26, 2005 5:32 AM
Subject: RE: Theoretical question: Can firewall detect attack which he can't block?


Theoretically? I think it can...by fragmenting the packets small enough for
the IDS not to notice it. I'm sure someone will correct me on this.

Regards,

Prashant.

The opinions expressed in this email are those of my own and does not
represent those of any organisation or associations to which I belong to
unless stated otherwise.

-----Original Message-----
From: Ishay [mailto:ishaybs@gmail.com]
Sent: 23 June 2005 10:48
To: firewalls@securityfocus.com
Subject: Theoretical question: Can firewall detect attack which he can't
block?

Hi

Here is theoretical question:
Can you think on possible scenario in which firewall/ids will detect
that he has been compromised but he won't be able to block it?
Thanks,

Ishay


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