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From Michael Kaufmann <>
Subject Re: "Upgrade: h2" header for HTTP/1.1 via TLS (Bug 59311)
Date Tue, 19 Apr 2016 14:23:15 GMT
> On Tue, Apr 19, 2016 at 8:57 AM, Michael Kaufmann
> <> wrote:
>> Yes, you are right. But with the response header "Upgrade: h2", Apache is
>> telling the client "you may send such a header" when in fact this is not
>> allowed.
> Devils advocate:  Apache is telling the client at the application
> layer its protocol support and preferences. Something it couldn't
> actually do with ALPN.
> If the client knows HTTP/2 it has knows the particulars of the Upgrade.
> I'd suggest taking it up with the HTTP/2 workgroup mailing list.

Good idea. I have sent a mail to the HTTP/2 workgroup mailing list, so  
let's discuss this issue there:

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