Re: [Doh] How to start HTTP/2?
Daniel Stenberg <daniel@haxx.se> Tue, 16 January 2018 15:31 UTC
Return-Path: <daniel@haxx.se>
X-Original-To: doh@ietfa.amsl.com
Delivered-To: doh@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3DDA9131569 for <doh@ietfa.amsl.com>; Tue, 16 Jan 2018 07:31:16 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.211
X-Spam-Level:
X-Spam-Status: No, score=-4.211 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id n2JUffmWskvc for <doh@ietfa.amsl.com>; Tue, 16 Jan 2018 07:31:15 -0800 (PST)
Received: from giant.haxx.se (www.haxx.se [IPv6:2a00:1a28:1200:9::2]) by ietfa.amsl.com (Postfix) with ESMTP id 0B6B7131530 for <doh@ietf.org>; Tue, 16 Jan 2018 07:30:09 -0800 (PST)
Received: from giant.haxx.se (giant.haxx.se [80.67.6.50]) by giant.haxx.se (8.15.2/8.15.2/Debian-4) with ESMTPS id w0GFU7gw016982 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 16 Jan 2018 16:30:07 +0100
Received: from localhost (dast@localhost) by giant.haxx.se (8.15.2/8.15.2/Submit) with ESMTP id w0GFU7Vf016976; Tue, 16 Jan 2018 16:30:07 +0100
X-Authentication-Warning: giant.haxx.se: dast owned process doing -bs
Date: Tue, 16 Jan 2018 16:30:07 +0100
From: Daniel Stenberg <daniel@haxx.se>
X-X-Sender: dast@giant.haxx.se
To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
cc: doh@ietf.org
In-Reply-To: <20180116152145.qhgqoo3dqmebb6aa@nic.fr>
Message-ID: <alpine.DEB.2.20.1801161623490.20551@tvnag.unkk.fr>
References: <20180116150246.dvr3d3nstozqfadn@nic.fr> <alpine.DEB.2.20.1801161607110.20551@tvnag.unkk.fr> <20180116152145.qhgqoo3dqmebb6aa@nic.fr>
User-Agent: Alpine 2.20 (DEB 67 2015-01-07)
X-fromdanielhimself: yes
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"; format="flowed"
Archived-At: <https://mailarchive.ietf.org/arch/msg/doh/5ZFAms2Kyt4ox4qWTbfEhgYz9ug>
Subject: Re: [Doh] How to start HTTP/2?
X-BeenThere: doh@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: DNS Over HTTPS <doh.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/doh>, <mailto:doh-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/doh/>
List-Post: <mailto:doh@ietf.org>
List-Help: <mailto:doh-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/doh>, <mailto:doh-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 16 Jan 2018 15:31:16 -0000
On Tue, 16 Jan 2018, Stephane Bortzmeyer wrote: > OK, but could it be better to say explicitely "Servers and clients MUST > start HTTP/2 using the ALPN extension of TLS, as specified in RFC 7540, > section 3.3"? It probably could, but as that's exactly what doing HTTP/2 over HTTPS means I considered that implied. > (Then, what a server should do if the client did not use ALPN? Start HTTP/2 > anyway, because of the robustness principle?) If you want HTTP/2 over HTTPS, you need to use ALPN. An HTTPS server that doesn't do ALPN can't speak HTTP/2 as defined in RFC7540. -- / daniel.haxx.se
- [Doh] How to start HTTP/2? Stephane Bortzmeyer
- Re: [Doh] How to start HTTP/2? Daniel Stenberg
- Re: [Doh] How to start HTTP/2? Stephane Bortzmeyer
- Re: [Doh] How to start HTTP/2? Patrick McManus
- Re: [Doh] How to start HTTP/2? Stephane Bortzmeyer
- Re: [Doh] How to start HTTP/2? Patrick McManus
- Re: [Doh] How to start HTTP/2? Daniel Stenberg
- Re: [Doh] How to start HTTP/2? Martin Thomson
- Re: [Doh] How to start HTTP/2? Stephane Bortzmeyer
- Re: [Doh] How to start HTTP/2? Patrick McManus