Re: ASA context cascading ,any Real World design reason for

From: Carlos G Mendioroz <tron_at_huapi.ba.ar>
Date: Tue, 14 Aug 2012 08:15:10 -0300

There is one reason that does not apply though: to have a different set
of bugs/exploits (independent vulnerability set ?).

:)
I could not resist.
-Carlos

Dan Shechter @ 14/08/2012 08:06 -0300 dixit:
> Jeremy,
>
> The same reasons for cascading physical firewalls apply to cascading
> logical (contexts) firewalls.
>
> For example:
>
> - Two different departments need to control access, so only if both
> firewalls permit the packets then the traffic will flow. Much like using
> dual locks.
> - To protect from human configuration errors, firewalls are cascaded and
> policy must be configured twice to allow traffic through.
> - One firewall to connect the whole network to the internet, and several
> other firewalls to protect each sub network. Which is a combination of the
> two above
> - Fun at CCIE lab... ;)
>
>
> HTH,
> Dan #13685 (RS/Sec/SP)
> The CCIE troubleshooting blog: http://dans-net.com
> Bring order to your Private VLAN network: http://marathon-networks.com
>
>
>
> On Tue, Aug 14, 2012 at 8:15 AM, jeremy co <jeremy.cool14_at_gmail.com> wrote:
>
>> Hi ,
>>
>> Im just wondering if someone can guide me if there is any real world
>> implementation of cascaded context has been deployed, or any reason of
>> going through such a complexity.
>>
>>
>> Thanks
>>
>> Jeremy
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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>
>

-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net
Received on Tue Aug 14 2012 - 08:15:10 ART

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