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Re: [httpapi] Murray Kucherawy's No Objection on draft-ietf-httpapi-link-template-03: (with COMMENT)

Mark Nottingham <mnot@mnot.net> Sun, 18 February 2024 23:01 UTC

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From: Mark Nottingham <mnot@mnot.net>
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Date: Mon, 19 Feb 2024 10:00:56 +1100
Cc: The IESG <iesg@ietf.org>, HTTP APIs Working Group <httpapi@ietf.org>, Rich Salz <rsalz@akamai.com>, Darrel Miller <darrel@tavis.ca>
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To: Murray Kucherawy <superuser@gmail.com>
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Subject: Re: [httpapi] Murray Kucherawy's No Objection on draft-ietf-httpapi-link-template-03: (with COMMENT)
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> On 16 Feb 2024, at 02:19, Murray Kucherawy via Datatracker <noreply@ietf.org> wrote:
> 
> Feedback from incoming ART AD, Orie Steele:
> 
> I'd prefer to see specific security considerations associated with "Display
> Strings", based on this MUST:
> 
> "These Parameter values MUST be Strings, unless they contain non-ASCII
> characters, in which case they MUST be Display Strings. "
> 
> ... and the following comment in the normative reference:
> 
> "It is NOT RECOMMENDED that they be used in situations where a String (Section
> 3.3.3) or Token (Section 3.3.4) would be adequate, because Unicode has
> processing considerations (e.g., normalization) and security considerations
> (e.g., homograph attacks) that make it more difficult to handle correctly."

Good point. See:
  https://github.com/ietf-wg-httpapi/link-template/commit/098e692f0696b3c756d122b2f4e9d0b84f7b8862

Cheers,

--
Mark Nottingham   https://www.mnot.net/

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