router ACL

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Feb 24th, 2008
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I am confused with the access-list requirement for IPS.

IPS device will create dynamically generated ACL to the router in the event that a signature is triggered. It requires an existing access-list defined as Pre-block access list and an existing access-list defined as post-block access list.

Does this mean that I need to set up at least 3 access-list on my router, one for normal use that is applied to the interface, another one to be defined as pre-block access-list on IPS device and a third one to be defined as post-block access-list on the IPS device?


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owillins Fri, 02/29/2008 - 07:32
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Could you specify what device you are using and its configuration?

eppiet Fri, 02/29/2008 - 09:39
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The router is a 2600 and ips is 4215. Currently I only have one set of access-list. That's why I don't understand how I can have a pre and a post access-list to be used by the IPS device.


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