[TLS] [Editorial Errata Reported] RFC8446 (6139)

RFC Errata System <rfc-editor@rfc-editor.org> Wed, 29 April 2020 08:14 UTC

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Subject: [TLS] [Editorial Errata Reported] RFC8446 (6139)
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The following errata report has been submitted for RFC8446,
"The Transport Layer Security (TLS) Protocol Version 1.3".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid6139

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Type: Editorial
Reported by: Ben Smyth <research@bensmyth.com>

Section: 4.4.2.2.

Original Text
-------------
As servers MAY require the presence of the "server_name" extension, clients
SHOULD send this extension, when applicable.

Corrected Text
--------------
As servers MAY require the presence of the "server_name" extension, client
SHOULD send this extension.

Notes
-----
Since it is unclear when it is applicable for a server to send the extension, dropping "when applicable"
seems appropriate. Alternatively, giving some extra guidance would be useful.

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RFC8446 (draft-ietf-tls-tls13-28)
--------------------------------------
Title               : The Transport Layer Security (TLS) Protocol Version 1.3
Publication Date    : August 2018
Author(s)           : E. Rescorla
Category            : PROPOSED STANDARD
Source              : Transport Layer Security
Area                : Security
Stream              : IETF
Verifying Party     : IESG