nanog mailing list archives

Re: AH or ESP


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Fri, 22 May 2009 13:16:04 -0400

On Fri, May 22, 2009 at 1:04 PM, Glen Kent <glen.kent () gmail com> wrote:
Hi,

It is well known in the community that AH is NAT unfriendly while ESP cannot
be filtered, and most firewalls would not let such packets pass. I am NOT

'the content of the esp packet can't be filtered in transit' I think
you mean... right?

interested in encrypting the data, but i do want origination authentication
(Integrity Protection). Do folks in such cases use AH or ESP-NULL, given
that both have some issues?

Thanks,
Glen



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