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Re: [TLS] Consensus on PR 169 - relax certificate list requirements

Yoav Nir <ynir.ietf@gmail.com> Mon, 31 August 2015 16:03 UTC

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From: Yoav Nir <ynir.ietf@gmail.com>
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Date: Mon, 31 Aug 2015 19:03:03 +0300
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References: <CAOgPGoAPCXkzc=01_+FPSJcxV8vEQmBUYNGYaWMdKpSGU0M0Lg@mail.gmail.com> <201508261742.01242.davemgarrett@gmail.com> <55E4423B.3010101@redhat.com> <CABkgnnX8dbQix_DZG5fxoFWK9e5FmUC1szneudssCDdZ0M3U+w@mail.gmail.com> <55E4792A.30809@redhat.com>
To: Florian Weimer <fweimer@redhat.com>
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Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Consensus on PR 169 - relax certificate list requirements
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> On Aug 31, 2015, at 6:56 PM, Florian Weimer <fweimer@redhat.com> wrote:
> 
> On 08/31/2015 05:54 PM, Martin Thomson wrote:
>> On 31 August 2015 at 05:02, Florian Weimer <fweimer@redhat.com> wrote:
>>> MUST NOT automatically complete incomplete chains
>> 
>> Um, no.  I realize that this is a feature that is hard for others to
>> replicate, but being able to reach sites is important to people.  All
>> browsers do this, and I don't see any reason to stop.
> 
> The reason to stop is that people only test with long-running, well-used
> browser profiles, and it is difficult to explain to them that things
> don't work if you just installed a fresh system.  I lost countless hours
> to that.  As in other cases, browsers papering over site configuration
> errors causes ecosystem damage.

I feel the pain (I know some administrators who have made this mistake), but it’s always best to test with something like “openssl s_client”.

Yoav

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