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Re: [Acme] tls-alpn-01 spec: TLS-SNI history

Felipe Gasper <felipe@felipegasper.com> Thu, 21 June 2018 16:09 UTC

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Date: Thu, 21 Jun 2018 12:09:55 -0400
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Subject: Re: [Acme] tls-alpn-01 spec: TLS-SNI history
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> On Jun 21, 2018, at 10:53 AM, Ilari Liusvaara <ilariliusvaara@welho.com> wrote:
> 
> On Thu, Jun 21, 2018 at 09:53:07AM -0400, Felipe Gasper wrote:
> 
>> I would guess that the reason why Apache didn’t get much grief over
>> TLS-SNI is that many--most?--hosting services require a certificate
>> to match one or more domains on the associated Apache virtual host.
>> But that’s not universal by any stretch.
> 
> Also, getting the default virtual host on most hosting services is
> probably not easy. And without default vhost, you can only answer to
> names you have.

At least one entity on every IP address has it. And it’s trivial for anyone to check to see who it is.

-FG

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