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

"Salz, Rich" <rsalz@akamai.com> Mon, 20 September 2021 14:25 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Julien ÉLIE <julien@trigofacile.com>, "tls-reg-review@ietf.org" <tls-reg-review@ietf.org>
Thread-Topic: [Tls-reg-review] Request to register NNTP in TLS ALPN registry
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Date: Mon, 20 Sep 2021 14:25:40 +0000
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Subject: Re: [Tls-reg-review] Request to register NNTP in TLS ALPN registry
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Approved.  Still need one more approval.

    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]

    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.

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