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<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Izenpe votes YES on ballot SC33<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:navy"><img width="589" height="99" style="width:6.1354in;height:1.0312in" id="Imagen_x0020_1" src="cid:image001.jpg@01D67228.FCCCD930" alt="firma_email_Izenpe_eus"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Tahoma",sans-serif;color:#888888">ERNE! Baliteke mezu honen zatiren bat edo mezu osoa legez babestuta egotea. Mezuak badu bere hartzailea. Okerreko helbidera heldu bada (helbidea gaizki idatzi,
transmisioak huts egin) eman abisu igorleari, korreo honi erantzunez. </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#888888"><br>
</span><span style="font-size:7.5pt;font-family:"Tahoma",sans-serif;color:#888888">ATENCION! Este mensaje contiene información privilegiada o confidencial a la que solo tiene derecho a acceder el destinatario. Si usted lo recibe por error le agradeceríamos
que no hiciera uso de la información y que se pusiese en contacto con el remitente.</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">De:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Servercert-wg <servercert-wg-bounces@cabforum.org>
<b>En nombre de </b>Wayne Thayer via Servercert-wg<br>
<b>Enviado el:</b> viernes, 7 de agosto de 2020 22:06<br>
<b>Para:</b> CA/B Forum Server Certificate WG Public Discussion List <servercert-wg@cabforum.org><br>
<b>Asunto:</b> [Servercert-wg] VOTING BEGINS: Ballot SC33: TLS Using ALPN Method<o:p></o:p></span></p>
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<p class="MsoNormal">This begins the voting period for ballot <span class="gmail-il">
SC33</span>: TLS Using ALPN Method<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Purpose of Ballot:<o:p></o:p></p>
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<p class="MsoNormal">In January 2018, a vulnerability affecting the ACME TLS-SNI-01 method of domain validation was disclosed [1]. That method is an implementation of BR 3.2.2.4.10, which is still permitted by the BRs despite the vulnerability. Some Browsers
have banned the use of method 10 unless mitigations for the vulnerability have been put into place, and one approach to mitigation - using application-layer protocol negotiation (ALPN) - has now been standardized by the IETF as RFC 8737. This ballot replaces
the poorly specified and potentially insecure 'method 10' with a new 'method 20' based on RFC 8737.<o:p></o:p></p>
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<p class="MsoNormal">The ballot proposed no transition period during which method 10, or validations performed using method 10 may continue to be relied upon. The only known current use of method 10 is an implementation of RFC 8737 that would remain compliant
(although it may require changes to the CA's CPS and the identifier of the method that is being logged when performing validations).<o:p></o:p></p>
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<p class="MsoNormal">This ballot also limits the use of the new method to the specific FQDN that was validated - different subdomains require new validations, and wildcards are not permitted. This requirement is not the result of a specific known risk but rather
stems from a belief that DNS-based validation methods are more appropriate for verifying control over an entire subdomain.<o:p></o:p></p>
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<p class="MsoNormal">[1] <a href="https://groups.google.com/d/msg/mozilla.dev.security.policy/RHsIInIjJA0/LKrNi35aAQAJ" target="_blank">
https://groups.google.com/d/msg/mozilla.dev.security.policy/RHsIInIjJA0/LKrNi35aAQAJ</a><o:p></o:p></p>
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<p class="MsoNormal">The following motion has been proposed by Wayne Thayer of Mozilla and endorsed by Roland Shoemaker of Let's Encrypt and Tim Hollebeek of DigiCert.<o:p></o:p></p>
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-- MOTION BEGINS --<br>
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This ballot modifies the “Baseline Requirements for the Issuance and Management of Publicly-Trusted Certificates” as follows, based on Version 1.7.0:<o:p></o:p></p>
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<p class="MsoNormal">MODIFY section 3.2.2.4 as defined in the following redline: <a href="https://github.com/cabforum/documents/compare/df5bd3b00e3a215202dedafa68bf8f608d47041b...26913aa7f75a78eff1af5cb628451b9433011a67" target="_blank">
https://github.com/cabforum/documents/compare/df5bd3b00e3a215202dedafa68bf8f608d47041b...26913aa7f75a78eff1af5cb628451b9433011a67</a>
<o:p></o:p></p>
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<p class="MsoNormal">-- MOTION ENDS --<br>
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This ballot proposes a Final Maintenance Guideline.<br>
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The procedure for approval of this ballot is as follows:<br>
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Discussion (7+ days)<br>
<br>
Start Time: 31-July, 2020 17:00 UTC<br>
<br>
End Time: not before 7-August, 2020 17:00 UTC<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Vote for approval (7 days)<br>
<br>
Start Time: 7-August, 2020 20:00 UTC<br>
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End Time: 14-August, 2020 20:00 UTC<o:p></o:p></p>
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