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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:
ftp://ftp-eng.cisco.com/cons/isp/security/Ingress-Prefix-Filter-Template
s/
Florian
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: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On
> Behalf Of Drew Weaver
> Sent: Montag, 13. Juni 2005 16:28
> To: nanog@merit.edu
> 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
>
>
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