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From Sergio Fernández <>
Subject Re: mod_proxy HTTP/2
Date Tue, 01 Mar 2016 07:16:19 GMT
Russel, I guess you should ask at HTTPd mailing list:

On Tue, Mar 1, 2016 at 3:26 AM, Russel Van Tuyl <>

> I have Apache (2.4.18) setup and working fine with HTTP/2 on host-a. I can
> establish HTTP/2 connections to host-a with any web browser. I also have
> HTTP/2 and mod_proxy setup on host-b. I can proxy HTTP/1.1 requests from
> host-b to host-a with any web browser. I can also establish HTTP/2
> connections with host-b using any web browser. However, I can't get the
> proxy request from host-b to host-a to talk HTTP/2. The connection between
> host-b and host-a doesn't utilize the TLS ALPN extension so that the h2
> protocol can be used. A packet capture shows that HTTP/1.1 is used for the
> proxy connection between host-b and host-a despite the fact that virtual
> host on host-a is configured to only accept h2 connections. Is there a way
> to force the use of the TLS ALPN extension?
> Thanks for your time,
> Russel

Sergio Fernández
Partner Technology Manager
Redlink GmbH
m: +43 6602747925

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