Is there particular guidance from Section 10 that you had in mind to
justify the following of the redirect?

In light of the role of errata reports as indicating errors in the
specification at the time it was published, I think the processing options
here are either "hold for document update" or "rejected".

-Ben

On Tue, Feb 08, 2022 at 12:23:23PM -0800, RFC Errata System wrote:
> The following errata report has been submitted for RFC8555,
> "Automatic Certificate Management Environment (ACME)".
> 
> --------------------------------------
> You may review the report below and at:
> https://www.rfc-editor.org/errata/eid6843
> 
> --------------------------------------
> Type: Technical
> Reported by: James Kasten <[email protected]>
> 
> Section: 8.3
> 
> Original Text
> -------------
> Because many web servers
> allocate a default HTTPS virtual host to a particular low-privilege
> tenant user in a subtle and non-intuitive manner, the challenge must
> be completed over HTTP, not HTTPS.
> 
> 
> Corrected Text
> --------------
> Because many web servers
> allocate a default HTTPS virtual host to a particular low-privilege
> tenant user in a subtle and non-intuitive manner, the challenge must
> be initiated over HTTP, not HTTPS.
> 
> Notes
> -----
> Completing the entire http-01 challenge over HTTP is unnecessary. The threat 
> of default HTTPS virtual hosts is remediated by "initiating" the http-01 
> challenge over HTTP. Validation servers which redirect from HTTP to HTTPS 
> should be permitted following the rest of the guidance within Section 10, 
> Security Considerations.
> 
> Instructions:
> -------------
> This erratum is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party  
> can log in to change the status and edit the report, if necessary. 
> 
> --------------------------------------
> RFC8555 (draft-ietf-acme-acme-18)
> --------------------------------------
> Title               : Automatic Certificate Management Environment (ACME)
> Publication Date    : March 2019
> Author(s)           : R. Barnes, J. Hoffman-Andrews, D. McCarney, J. Kasten
> Category            : PROPOSED STANDARD
> Source              : Automated Certificate Management Environment
> Area                : Security
> Stream              : IETF
> Verifying Party     : IESG

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