nanog mailing list archives

Re: ACLs / Filter Lists - Best Practices


From: Nicolas FISCHBACH <nicolist () securite org>
Date: Wed, 28 Nov 2001 19:26:18 +0100


John McBrayne wrote:

Is anyone aware of any current "best practices" related to the
recommended set of filtering rules (Cisco ACL lists or Juniper filter
sets) for reasons of Security, statistics collection, DoS attack
analysis/prevention, etc.?  I'm curious to see if there are any such
recommendations for Tier 1/Tier 2 backbone routers, peering points,
etc., as opposed to CPE terminations or Enterprise/LAN equipment
recommendations.

Actual config file examples would be great, if they exist.

Protecting your IP network infrastructure (talk @BlackHat Briefings)
(how to secure Cisco routers and (multi-layer) switches running IOS,
CatOS, CatIOS and the networks they interconnect) :
http://www.securite.org/presentations/secip/

Any feedback, comments, fixes, ideas are welcome :-)

Nico.
--
Nicolas FISCHBACH (nico () securite org) <http://www.securite.org/nico/>
Senior IP&Security Engineer - Professional Services - COLT Telecom AG
Securite.Org Team <http://www.securite.org/>


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