North American Network Operators Group

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

  • From: Daniel Senie
  • Date: Mon Jun 13 11:43:15 2005

At 10:16 AM 6/13/2005, Frotzler, Florian wrote:

The original question didn't specify whether the interest was prefixes or packet filters.

For packet filtering, the above URL is not going to help, but a read of BCP38 would be in order.

Edge sites with no downstreams can very easily filter the source addresses leaving their network and ensure no bogus-sourced packets leave, be they RFC1918, or spoofs.

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On
> Behalf Of Drew Weaver
> Sent: Montag, 13. Juni 2005 16:28
> To: [email protected]
> Subject: Best practice ACLs for a internet facing border router?
>       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.
> Thanks,
> -Drew