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Re: [Ntp] NTS IANA request

Daniel Franke <dfoxfranke@gmail.com> Wed, 05 June 2019 23:18 UTC

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From: Daniel Franke <dfoxfranke@gmail.com>
Date: Wed, 05 Jun 2019 19:18:13 -0400
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To: Watson Ladd <watson=40cloudflare.com@dmarc.ietf.org>
Cc: NTP WG <ntp@ietf.org>
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Subject: Re: [Ntp] NTS IANA request
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According to RFC 6335,

> For any assignment request that includes a System Port, the assignment request MUST explain why a port number in the User Ports or Dynamic Ports ranges is unsuitable, and a reference to a stable protocol specification document MUST be provided.

Systems ports are those below 1024. I can't see any good technical
reason why NTS requires a system port rather than a user port and
don't think the above requirement can be satisfied.

On Wed, Jun 5, 2019 at 1:19 PM Watson Ladd
<watson=40cloudflare.com@dmarc.ietf.org> wrote:
>
> Dear all,
>
> Port 1009 is unassigned, and happens to be the time displayed on
> watches in advertisements. No reason we couldn't continue old
> tradition of using significant port numbers and use it for NTS.
>
> We could also use 123 tcp which is assigned to NTP but not used.
>
> Sincerely,
> Watson Ladd
>
> _______________________________________________
> ntp mailing list
> ntp@ietf.org
> https://www.ietf.org/mailman/listinfo/ntp

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