nanog mailing list archives

Re: Best practice ACLs for a internet facing border router?


From: matthew zeier <mrz () velvet org>
Date: Mon, 13 Jun 2005 11:22:26 -0700




Drew Weaver wrote:
        I'm just curious if anyone has ever published a list of what is
an agreed upon best practice list of ACLs for an internet facing border
router. I'm talking about things like bogons, private Ip addresses, et
cetera. If anyone is aware of anything like this I'd like to see it.

Depending on your flavor of router, you might need to take multiple approaches.

On my 12000s, I'm only using RACLs (beyond prefix filtering) and do more specific ACLs closer down to the "core".

--
matthew zeier - "Curiosity is a willing, a proud, an eager confession
of ignorance." - Leonard Rubenstein


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