It adds resilience, with the model of fw-fw-network ? One firewall vendor
may be vulnerable to a particular malware and another may not. It is
somewhat impractical thou? I have seen banks implement this architecture
for some of their mission critical apps. It is not practical for large
scale deployments and adds little value a lot of complexity in my
opinion...
--
Steve Ferreira

MITRE CORP
IA Engineer / PEO C3T TMD
917-2098309
sferreira (at) mitre (dot) org [email concealed]
steve.g.ferreira.ctr (at) mail (dot) mil [email concealed]

On 5/24/12 12:25 PM, "Mike Vella" <mike (at) bakerross.co (dot) uk [email concealed]> wrote:

>t may not be practical unless you are trying to stop an
>specific attack.
>There are ways through firewalls that don't depend on vendor specific
>details for example tunnelling through ports already open.
>If the attacker can tunnel through one , he will tunnel through the other
>-
>negating your expensive, administrative burdened 2 firewall solution.
>Just my opinion.
>

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