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

Florian Weimer <fweimer@redhat.com> Mon, 31 August 2015 15:56 UTC

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To: Martin Thomson <martin.thomson@gmail.com>
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From: Florian Weimer <fweimer@redhat.com>
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Date: Mon, 31 Aug 2015 17:56:26 +0200
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Subject: Re: [TLS] Consensus on PR 169 - relax certificate list requirements
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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.

-- 
Florian Weimer / Red Hat Product Security