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Re: [dns-privacy] [DNSOP] RFC9103 -- extended key usage

Ilari Liusvaara <ilariliusvaara@welho.com> Sun, 04 December 2022 14:10 UTC

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Date: Sun, 04 Dec 2022 16:10:02 +0200
From: Ilari Liusvaara <ilariliusvaara@welho.com>
To: dnsop@ietf.org, DNS Privacy Working Group <dns-privacy@ietf.org>
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Subject: Re: [dns-privacy] [DNSOP] RFC9103 -- extended key usage
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On Fri, Dec 02, 2022 at 07:22:45PM -0500, Daniel Migault wrote:
> adding dns-privacy to the thread.
> Yours,
> Daniel
> 
> On Fri, Dec 2, 2022 at 4:35 PM Michael Richardson <mcr+ietf@sandelman.ca>
> wrote:
> 
> > https://www.ietf.org/rfc/rfc9103.html#name-mutual-tls tells me how I
> > could use mutual TLS to authenticate (and I think, authorize) a zone
> > transfer.
> >
> > What it does not tell me is whether there should be any Extended Key
> > Usage bits set on the certificates.  Are the WebServer/WebClient
> > required? forbidden? tolerated?

Extended Key Usage is not required. However, if Extended Key Usage is
present, on side with TLS client role, id-kp-clientAuth is required,
and on side with TLS server role, id-kp-serverAuth is required.



-Ilari

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