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Re: [Acme] [Technical Errata Reported] RFC8555 (5771)

Rob Stradling <rob@sectigo.com> Wed, 03 July 2019 09:20 UTC

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From: Rob Stradling <rob@sectigo.com>
To: "Salz, Rich" <rsalz@akamai.com>, RFC Errata System <rfc-editor@rfc-editor.org>, "rlb@ipv.sx" <rlb@ipv.sx>, "jsha@eff.org" <jsha@eff.org>, "cpu@letsencrypt.org" <cpu@letsencrypt.org>, "jdkasten@umich.edu" <jdkasten@umich.edu>, "rdd@cert.org" <rdd@cert.org>, "kaduk@mit.edu" <kaduk@mit.edu>, "ynir.ietf@gmail.com" <ynir.ietf@gmail.com>
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Thread-Topic: [Technical Errata Reported] RFC8555 (5771)
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Date: Wed, 03 Jul 2019 09:20:48 +0000
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Subject: Re: [Acme] [Technical Errata Reported] RFC8555 (5771)
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On 02/07/2019 15:37, Salz, Rich wrote:
> Isn't that corrected text part of the standard specified behavior for HTTP?

I don't think so.  IINM, HTTP caching only comes into play when a client 
sends a subsequent HTTP request message that may (or may not) be 
satisfied by a cached HTTP response message.

"Clients access the directory by sending a GET request to the directory 
URL" does not require the client to ever send a subsequent HTTP request 
message to the directory URL.

> Clients could also use If-Modified-Since, right?

Good point.

-- 
Rob Stradling
Senior Research & Development Scientist
Sectigo Limited

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