On Fri, Jun 2, 2017 at 6:28 AM, Toerless Eckert <t...@cs.fau.de> wrote:

> On Fri, Jun 02, 2017 at 08:03:40AM -0400, Ryan Sleevi wrote:
> > > If a web service hoster does not provide any useful demultiplexer then
> it
> > > can of course not
> > > expect not to get blacklisted across services. Is it not already common
> > > practice to assign
> > > separate certificates to separate "web customers" ?
> >
> > No. It's typically the opposite.
>
> Thanks.
>
> Btw: does TLS 1.3 mandate server side cert encryption or is this something
> server
> apps can decide ?


It mandates it.



> Just because shared web services may not yet leverage the ability to
> use certs to authenticate network connections well doesn't mean that that
> option should not
> be given to apps. And it would be sad if one would have to revert to older
> protocol options
> to have that functionality.
>

That functionality is illusory even now, because they are unable to
determine
that the server and the client are not colluding to lie about the server's
identity.

-Ekr
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