<div dir="ltr">The semantics of 303 indicate that the new resource (referred to via the Location field) is not necessarily the same as the requested resource. The semantics/interpretation of that redirected-to-resource are left up to the user and user agent, while the goal with this was to ensure unambiguous semantics.<div><br></div><div>From RFC 7231, Section 6.4.4 (Emphasis added)</div><div> The 303 (See Other) status code indicates that the server is<br> redirecting the user agent to a different resource, as indicated by a<br> URI in the Location header field, which is intended to provide an<br> indirect response to the original request. A user agent can perform<br> a retrieval request targeting that URI (a GET or HEAD request if<br> using HTTP), which might also be redirected, and present the eventual<br> result as an answer to the original request. <b>Note that the new URI<br> in the Location header field is not considered equivalent to the<br> effective request URI.</b><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Mar 30, 2021 at 4:12 PM Bruce Morton via Servercert-wg <<a href="mailto:servercert-wg@cabforum.org">servercert-wg@cabforum.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11pt">Hi Niko,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">Our team believes that a single 303 redirect from http to https scheme for the same fqdn should be acceptable. Is there a reason why 303 is not allowed?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">Thanks, Bruce.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:11pt">From:</span></b><span style="font-size:11pt"> Servercert-wg <<a href="mailto:servercert-wg-bounces@cabforum.org" target="_blank">servercert-wg-bounces@cabforum.org</a>>
<b>On Behalf Of </b>Niko Carpenter via Servercert-wg<br>
<b>Sent:</b> Thursday, March 25, 2021 11:51 AM<br>
<b>To:</b> CA/B Forum Server Certificate WG Public Discussion List <<a href="mailto:servercert-wg@cabforum.org" target="_blank">servercert-wg@cabforum.org</a>><br>
<b>Subject:</b> [EXTERNAL] [Servercert-wg] Discussion Period Begins on Ballot SC43 Version 2: Clarify Acceptable Status Codes<u></u><u></u></span></p>
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<a name="m_-7641481606722893187__Hlk20486622"><span style="font-size:10.5pt;font-family:"Helvetica Neue";color:rgb(102,102,102)">This begins the discussion period for ballot SC43</span></a><span><span style="font-size:10.5pt;font-family:"Helvetica Neue";color:black">
version 2</span></span><span><span style="font-size:10.5pt;font-family:"Helvetica Neue";color:rgb(102,102,102)">: Clarify Acceptable Status Codes.</span></span><span><span style="font-size:10.5pt;font-family:"Helvetica Neue";color:black">
An effective date of July 1, 2021 was added in this version.</span><u></u><u></u></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue";color:rgb(102,102,102)"> </span><u></u><u></u></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">Purpose of Ballot:<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">This ballot clarifies the allowed HTTP status codes used for following redirects in domain validation methods 18 and 19, and specifies that the target URI must
come from the Location response header.<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">In Section 3.2.2.4.18 and 3.2.2.4.19, it replaces<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">"Redirects MUST be the result of an HTTP status code result within the 3xx Redirection class of status codes, as defined in RFC 7231, Section 6.4." with the
following:<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue""> * "Redirects MUST be the result of a 301, 302, 307, or 308 HTTP status code response."<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue""> * "Redirects MUST be to resource URLs contained in the Location HTTP response header."<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">The following motion has been proposed by Niko Carpenter of SecureTrust and endorsed by Corey Bonnell of DigiCert and Ryan Sleevi of Google.<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">--MOTION BEGINS--<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">This ballot modifies the “Baseline Requirements for the Issuance and Management of Publicly-Trusted Certificates” as defined in the following redline, based
on Version 1.7.3:<u></u><u></u></span></span></p>
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<span></span><a href="https://urldefense.com/v3/__https:/github.com/cabforum/servercert/compare/2b7720f7821764f0ea9d0d583ec5c61896a3f4cd..bd7915249a0360a28fe37b785c367d70645c7e8f__;!!FJ-Y8qCqXTj2!KxKv-CtjQAa8iFbqK28UGadVW-RtBhLDI6KojNS-ZPHoM7hVPtd7V-VgBtC8mR0RQLM$" target="_blank"><span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">https://github.com/cabforum/servercert/compare/2b7720f7821764f0ea9d0d583ec5c61896a3f4cd..bd7915249a0360a28fe37b785c367d70645c7e8f</span></span><span></span></a><span><span style="font-size:10.5pt;font-family:"Helvetica Neue""><u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">--MOTION ENDS--<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">This ballot proposes a Final Maintenance Guideline.<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">The procedure for approval of this ballot is as follows:<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">Discussion (7+ days)<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">Start Time: 11-March 2021 21:30 UTC<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">End Time: 01-April 2021 16:00 UTC<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">Vote for approval (7 days)<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">Start Time: 01-April 2021 16:00 UTC<u></u><u></u></span></span></p>
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<span><span style="font-size:10.5pt;font-family:"Helvetica Neue"">End Time: 08-April 2021 16:00 UTC</span></span><span><span style="font-size:9pt;font-family:"Helvetica Neue";color:rgb(102,102,102)"> </span><u></u><u></u></span></p>
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<span><b><span style="font-family:Arial,sans-serif;color:rgb(0,143,197)">Niko Carpenter <br>
</span></b></span><span></span><span style="font-size:10.5pt;font-family:Arial,sans-serif;color:rgb(89,89,91)">Software Engineer</span><u></u><u></u></p>
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<a href="https://urldefense.com/v3/__http:/www.securetrust.com__;!!FJ-Y8qCqXTj2!KxKv-CtjQAa8iFbqK28UGadVW-RtBhLDI6KojNS-ZPHoM7hVPtd7V-VgBtC8q5c4vII$" target="_blank"><span style="font-size:10.5pt;font-family:Arial,sans-serif">www.securetrust.com</span></a><span style="color:black"><br>
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