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Firewall Wizards: RE: Comparisons between Router ACLs and Firewalls

RE: Comparisons between Router ACLs and Firewalls

From: Marcus J. Ranum <mjr_at_ranum.com>
Date: Sat, 03 Jan 2004 17:42:24 -0500

Bill James wrote:
>The problem with using ACL's is the load they can add to a router. Most
>of Cisco's newer IOS' have IP Inspection and do OK but can add a
>tremendous load on the router.

I've never found any good studies of ACL performance. Do you have any
references you can point us to?

mjr.

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Received on Jan 03 2004

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