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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Rick and Stephen, <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Are these suggested changes still in line with what you’re willing to accept?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ben<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Ryan Sleevi [mailto:sleevi@google.com] <br><b>Sent:</b> Tuesday, September 2, 2014 6:10 PM<br><b>To:</b> Ben Wilson<br><b>Cc:</b> Sigbjørn Vik; Rick Andrews; Geoff Keating; Stephen Davidson; cabfpub<br><b>Subject:</b> Re: [cabfpub] Pre-Ballot 125 - CAA Records<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Fri, Aug 29, 2014 at 2:02 PM, Ben Wilson <<a href="mailto:ben.wilson@digicert.com" target="_blank">ben.wilson@digicert.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Picking up where we left off .. attached is the redlined version that I<br>think is closest to where we were on this issue:<br><br>1. In Section 4 of the Baseline Requirements, add a definition for CAA<br>Record as follows:<br><br>CAA Record: The Certification Authority Authorization (CAA) DNS Resource<br>Record of RFC 6844<br>(http:<a href="http://tools.ietf.org/html/rfc6844" target="_blank">tools.ietf.org/html/rfc6844</a>) that allows a DNS domain name holder to<br>specify the Certification Authorities<br>(CAs) authorized to issue certificates for that domain. Publication of a CAA<br>Resource Record allows public<br>Certification Authorities to implement additional controls to reduce the<br>risk of unintended certificate mis-issue.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Reads like you're saying CA's publishing CAA records benefits them<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>"Publication of a CAA Resource Record allows Domain Name Registrant to request that Certification Authorities implement additional controls to reduce the risk of unintended certificate mis-issue"<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal><br>We might want to abbreviate this definition a bit.<br><br>2. In Section 8.2.2 (instead of editing warranties in section 7.1.2 or<br>verification practices in section 11, as some have suggested) add the<br>following to the end of the paragraph on Disclosure:<br><br>Effective as of [insert date that is six months from Ballot 125 adoption],<br>section 4.2 of a CA's Certificate Policy and/or Certification Practice<br>Statement (section 4.1 for CA’s still conforming to RFC 2527) shall<br>disclose: (1) whether the CA reviews CAA Records, and if so, (2) the CA’s<br>policy or practice on processing CAA Records and comparing them with<br>proposed Domain Names for the Common Name field or Subject Alternative Name<br>fields of certificates applications, and (3) any actions taken as result of<br>such comparison.<br><br>Any comments or suggestions are welcome.<o:p></o:p></p></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>(2) the CA's policy or practice on processing CAA Records for each Fully-Qualified Domain Name listed in a certificate, and (3) any actions taken as a result of such a comparison.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The goal of word-smithing (2) is to match the language in 11.1.1, which is better than trying to enumerate 9.2.1 / 9.2.2 (9.2.2 already has a MUST that it must have appeared in 9.2.1, so this is redundant anyways)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Of course, you could just reference 9.2.1 directly (e.g. drop the common name requirement), since any value in 9.2.2 is required to be in 9.2.1 as well.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal><br><span class=im>-----Original Message-----</span><br><span class=im>From: <a href="mailto:public-bounces@cabforum.org">public-bounces@cabforum.org</a> [mailto:<a href="mailto:public-bounces@cabforum.org">public-bounces@cabforum.org</a>] On</span><o:p></o:p></p><div><div><p class=MsoNormal>Behalf Of Sigbjørn Vik<br>Sent: Tuesday, July 22, 2014 12:47 AM<br>To: Rick Andrews; Geoff Keating; Stephen Davidson<br>Cc: cabfpub<br>Subject: Re: [cabfpub] Pre-Ballot 125 - CAA Records<br><br>On 21-Jul-14 20:11, Rick Andrews wrote:<br>> Siggy, how does the addition of a CAA record make DoS or DNS amplification<br>attacks more problematic?<br><br>I am no DNS expert, merely relaying comments from our sysadmin. If people<br>with more knowledge in the field conclude that this is not an issue, that is<br>fine with me, but it should be considered.<br><br>> -----Original Message-----<br>> From: Sigbjørn Vik [mailto:<a href="mailto:sigbjorn@opera.com">sigbjorn@opera.com</a>]<br>> Sent: Monday, July 21, 2014 12:21 AM<br>> To: Rick Andrews; Geoff Keating; Stephen Davidson<br>> Cc: cabfpub<br>> Subject: Re: [cabfpub] Pre-Ballot 125 - CAA Records<br>><br>> On 17-Jul-14 23:51, Rick Andrews wrote:> Siggy,<br>>><br>>> There are a number of Security Considerations in Section 6 of the CAA<br>>> RFC (_<a href="http://tools.ietf.org/html/rfc6844#page-13_" target="_blank">http://tools.ietf.org/html/rfc6844#page-13_</a>) which detail<br>>> possible abuse.<br>><br>> I don't see DoS or DNS amplification listed there.<br>><br>> --<br>> Sigbjørn Vik<br>> Opera Software<br>><br><br><br>--<br>Sigbjørn Vik<br>Opera Software<br>_______________________________________________<br>Public mailing list<br><a href="mailto:Public@cabforum.org">Public@cabforum.org</a><br><a href="https://cabforum.org/mailman/listinfo/public" target="_blank">https://cabforum.org/mailman/listinfo/public</a><o:p></o:p></p></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>