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<p class="MsoNormal">Tim and Wayne, I believe making this a requirement will be problematic as I commented on with the original ballot (at bottom of thread). So language would need to be as shown below. Thanks, Mike<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> iv. Frequent password changes have been shown to cause users to select less
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> secure passwords. If the CA has any policy that specifies routine periodic password changes,
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> that period SHOULD NOT be less than two years.
<s>Effective April 1, 2020, <o:p></o:p></s></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><s> if the CA has any policy that requires routine periodic password changes, that period SHALL NOT
<o:p></o:p></s></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><s> be less than two years."<o:p></o:p></s></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Public <public-bounces@cabforum.org> <b>On Behalf Of
</b>Tim Hollebeek via Public<br>
<b>Sent:</b> Friday, July 13, 2018 3:49 PM<br>
<b>To:</b> Wayne Thayer <wthayer@mozilla.com><br>
<b>Cc:</b> servercert-wg@cabforum.org; CA/Browser Forum Public Discussion List <public@cabforum.org><br>
<b>Subject:</b> Re: [cabfpub] [Servercert-wg] Ballot SC3: Improvements to Network Security Guidelines<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Works for me. I’ll update the ballot.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-Tim<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Wayne Thayer [<a href="mailto:wthayer@mozilla.com">mailto:wthayer@mozilla.com</a>]
<br>
<b>Sent:</b> Friday, July 13, 2018 12:24 PM<br>
<b>To:</b> Tim Hollebeek <<a href="mailto:tim.hollebeek@digicert.com">tim.hollebeek@digicert.com</a>><br>
<b>Cc:</b> CA/Browser Forum Public Discussion List <<a href="mailto:public@cabforum.org">public@cabforum.org</a>>;
<a href="mailto:servercert-wg@cabforum.org">servercert-wg@cabforum.org</a><br>
<b>Subject:</b> Re: [cabfpub] [Servercert-wg] Ballot SC3: Improvements to Network Security Guidelines<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Fri, Jul 13, 2018 at 4:50 AM Tim Hollebeek <<a href="mailto:tim.hollebeek@digicert.com">tim.hollebeek@digicert.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Do you have proposed modifications that would address these questions? I would be happy to incorporate them.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">How about this:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> iv. Frequent password changes have been shown to cause users to select less
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> secure passwords. If the CA has any policy that specifies routine periodic password changes,
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> that period SHOULD NOT be less than two years. Effective April 1, 2020,
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> if the CA has any policy that requires routine periodic password changes, that period SHALL NOT
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> be less than two years."<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> Wayne Thayer [mailto:<a href="mailto:wthayer@mozilla.com" target="_blank">wthayer@mozilla.com</a>]
<br>
<b>Sent:</b> Thursday, July 12, 2018 7:35 PM<br>
<b>To:</b> Tim Hollebeek <<a href="mailto:tim.hollebeek@digicert.com" target="_blank">tim.hollebeek@digicert.com</a>>; CA/Browser Forum Public Discussion List <<a href="mailto:public@cabforum.org" target="_blank">public@cabforum.org</a>><br>
<b>Cc:</b> Adriano Santoni <<a href="mailto:adriano.santoni@staff.aruba.it" target="_blank">adriano.santoni@staff.aruba.it</a>>;
<a href="mailto:servercert-wg@cabforum.org" target="_blank">servercert-wg@cabforum.org</a><br>
<b>Subject:</b> Re: [cabfpub] [Servercert-wg] Ballot SC3: Improvements to Network Security Guidelines<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">How are the concerns that were raised by Microsoft (copied below for reference) addressed in this version? If the intent is for the language in section 2.g(iv) to only apply to
periodic, policy-driven password changes and not to prevent event-driven changes, I think that should be clarified.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">* How would auditors verify and prove that a CA did not change a password more frequently than two years? This is trying to prove a negative.<br>
* What about when a CA employee leaves who knows the password which requires it to be change in less than two years?<br>
* What about if the password is compromised and needs to be changed in less than two years?<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">- Wayne<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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