Re: [Tls-reg-review] Request to register NNTP in TLS ALPN registry

Julien ÉLIE <julien@trigofacile.com> Mon, 20 September 2021 17:41 UTC

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From: Julien ÉLIE <julien@trigofacile.com>
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Date: Mon, 20 Sep 2021 19:41:49 +0200
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Subject: Re: [Tls-reg-review] Request to register NNTP in TLS ALPN registry
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Hi Rich,

> Approved.  Still need one more approval.

Thanks!


>      I would like to register TLS ALPN registry entries for Network News
>      Transfer Protocol (NNTP):
> 
>        Protocol:  NNTP (reading)
>        Identification Sequence:  0x6E 0x6E 0x74 Ox70  ("nntp")
>        Reference:  [RFC3977]
> 
>        Protocol:  NNTP (transit)
>        Identification Sequence:  0x6E 0x6E 0x73 Ox70  ("nnsp")
>        Reference:  [RFC3977]

I see, reading the answer, that I mispelled the last "p" in hexadecimal, 
using the letter O instead of the numer 0.
So, for what is worth, here are the amended identification sequences:

   Protocol:  NNTP (reading)
   Identification Sequence:  0x6E 0x6E 0x74 0x70  ("nntp")
   Reference:  [RFC3977]

   Protocol:  NNTP (transit)
   Identification Sequence:  0x6E 0x6E 0x73 0x70  ("nnsp")
   Reference:  [RFC3977]



>      So as to distinguish mode-switching news server, NNTP makes use of 2
>      ports (119 for reading and 433 for transit) as described in Section
>      3.4.1 of [RFC3977].  These ports are named "119 nntp" and "433 nnsp",
>      which is the rationale for the identification sequence.
> 
> That is sufficient documentation in my view.  One of the other reviewers may disagree but I would be surprised.

OK, let's see their point of view.

-- 
Julien ÉLIE

« – La paix n'a pas de prix… Si tu veux la paix…
   – Mon petit bonhomme, les phrases historiques, alea iacta est et tout
     ça, c'est moi qui les fais ici ! » (César)