Re: DNS records and delegation

2019-10-24 Thread bif via dev-security-policy
There's a specific provision in the CAA checking algorithm that allows CAs to not even bother checking CAA records if CA operates the nameservers for the domain. On Monday, 14 October 2019 04:28:19 UTC+2, Clint Wilson wrote: > On Thu, Oct 10, 2019 at 11:32 PM Ryan Sleevi via

Re: DNS records and delegation

2019-10-13 Thread Clint Wilson via dev-security-policy
On Thu, Oct 10, 2019 at 11:32 PM Ryan Sleevi via dev-security-policy < dev-security-policy@lists.mozilla.org> wrote: > On Thu, Oct 10, 2019 at 11:42 PM Jeremy Rowley via dev-security-policy < > dev-security-policy@lists.mozilla.org> wrote: > > > Question, is there any prohibition against

Re: DNS records and delegation

2019-10-11 Thread Ryan Sleevi via dev-security-policy
On Fri, Oct 11, 2019 at 3:14 PM Doug Beattie wrote: > Ryan, > > Are you recommending that: > a) we need a new domain validation method that describes this, or > b) those CAs that want to play with fire can go ahead and do that based on > their own individual security analysis, or > c) we need a

RE: DNS records and delegation

2019-10-11 Thread Doug Beattie via dev-security-policy
Cc: Ryan Sleevi ; mozilla-dev-security-policy ; Jeremy Rowley Subject: Re: DNS records and delegation On Fri, Oct 11, 2019 at 2:10 PM Clint Wilson wrote: > Apologies, but this isn't entirely clear to me. I'm guessing (hoping) > my misunderstanding centers around a difference b

Re: DNS records and delegation

2019-10-11 Thread Ryan Sleevi via dev-security-policy
On Fri, Oct 11, 2019 at 2:10 PM Clint Wilson wrote: > Apologies, but this isn't entirely clear to me. I'm guessing (hoping) my > misunderstanding centers around a difference between the Applicant fully > delegating DNS to the CA vs the Applicant only configuring a single CNAME > record? If the

Re: DNS records and delegation

2019-10-11 Thread Cynthia Revström via dev-security-policy
Hello, I just want to add that Let's Encrypt also allows for this (at least if I understand what you correctly) This following is from https://letsencrypt.org/docs/challenge-types/ > Since Let’s Encrypt follows the DNS standards when looking up TXT records for DNS-01 validation, you can use

Re: DNS records and delegation

2019-10-10 Thread Ryan Sleevi via dev-security-policy
On Thu, Oct 10, 2019 at 11:42 PM Jeremy Rowley via dev-security-policy < dev-security-policy@lists.mozilla.org> wrote: > Question, is there any prohibition against demonstration of domain control > being delegated to a third party or even the CA itself? I don't think so, > but figured we've