Re: Is HTTP/1.0 still relevant?

Amos Jeffries <squid3@treenet.co.nz> Sat, 05 September 2020 10:46 UTC

Return-Path: <ietf-http-wg-request+bounce-httpbisa-archive-bis2juki=lists.ie@listhub.w3.org>
X-Original-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Delivered-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5CCD33A0A3B for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Sat, 5 Sep 2020 03:46:32 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.598
X-Spam-Level:
X-Spam-Status: No, score=-3.598 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, MAILING_LIST_MULTI=-1, NICE_REPLY_A=-0.948, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001] 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 1wVM4nFAU7gU for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Sat, 5 Sep 2020 03:46:30 -0700 (PDT)
Received: from lyra.w3.org (lyra.w3.org [128.30.52.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AE90D3A08AD for <httpbisa-archive-bis2Juki@lists.ietf.org>; Sat, 5 Sep 2020 03:46:29 -0700 (PDT)
Received: from lists by lyra.w3.org with local (Exim 4.92) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1kEVfr-0006ig-LM for ietf-http-wg-dist@listhub.w3.org; Sat, 05 Sep 2020 10:43:59 +0000
Resent-Date: Sat, 05 Sep 2020 10:43:59 +0000
Resent-Message-Id: <E1kEVfr-0006ig-LM@lyra.w3.org>
Received: from titan.w3.org ([128.30.52.76]) by lyra.w3.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <squid3@treenet.co.nz>) id 1kEVfn-0006hu-Mk for ietf-http-wg@listhub.w3.org; Sat, 05 Sep 2020 10:43:55 +0000
Received: from [116.251.193.116] (helo=treenet.co.nz) by titan.w3.org with esmtp (Exim 4.92) (envelope-from <squid3@treenet.co.nz>) id 1kEVfm-0000up-5Q for ietf-http-wg@w3.org; Sat, 05 Sep 2020 10:43:55 +0000
Received: from [192.168.20.251] (unknown [121.98.62.26]) by treenet.co.nz (Postfix) with ESMTPA id 687DF300312 for <ietf-http-wg@w3.org>; Sat, 5 Sep 2020 22:43:25 +1200 (NZST)
To: ietf-http-wg@w3.org
References: <174578870d7.1265f983c12789.7350275676057542310@zoho.com> <CACweHNAiD49558yvM71DWURh8q6H6zEhsQ0N-wRVvEGGrnQrUg@mail.gmail.com>
From: Amos Jeffries <squid3@treenet.co.nz>
Autocrypt: addr=squid3@treenet.co.nz; prefer-encrypt=mutual; keydata= mQINBFiOEzoBEADuuawHiMOqHBjL5Mk6IfPCgJmY3oqJDmykzve+vDh7jArtFnOG067ftaML ligGh3y6LOLh3r1kIZ254CPHuKFYssA1p9mXL9YJnZ1qHrQVhqZwDq7dH/UtBQ2IM1QukoTo 1VRTB3ppiPHKTSa2zZ/kgBs0d+1MOi8DY2SmIDYVhUJI55qSqpxlcs6MyG4KxlEPD35J3nL4 hIzLzuzIbZoUO6M+dLvnqiFu2+mm6o75nxYmq+JCPwN5biETkSvndqr56t/W0ajlU1MpFXfO YJ8PfutrIBUPsRJUqWQjGg6uXp4torC1q2XasfSKVIQ+8duw7MCrkAfRv5BtDtpesAAsScvY TwUaDYVioiNNK1uJQZlrpYY4I0EbHI4GHKq7Q4VmotcQ2BhigqRIdh7kD3corddhlLTvTs0G 5Pjk/T2ZoMFZI03g+ieuo1l8VhCGdlqSQd8d1Np9WWwS9899QSgucwEeG+OK2f1IxxD12HiC gNoSh9id9vTYLTZK+HM1FEu+iwTxfQ9F/kDN49IaPhfvjJTs86Ov4FBTtaNUN2pF0qXpQr3A RisxZt7t7MVls+570sNnaijYYkLZdZj+49QArJxallltX3sbc9AK5JxkT8XivRCeLTKOngZE zIZCBeZuyI8cCemhU0csl89ZcORbMsgFS28FyWH4+X6lA+R5HQARAQABtCJBbW9zIEplZmZy aWVzIDxhbW9zQHRyZWVuZXQuY28ubno+iQJOBBMBCAA4FiEEAimzwkzOwlQSfJUyANhjZ5Qg vdMFAliOEzoCGwMFCwkIBwIGFQgJCgsCBBYCAwECHgECF4AACgkQANhjZ5QgvdOKkhAAseag 7QTzRF20TDwc6QQpfYdUyuuMqyEV3AwATtJxF2Y+aF/hEHXU9XBCM8EMyiJR816haC+86Wci 0cXYj7pmR80psR9C6JoaNos89CrgsmMx9tZR5yJXrdTCnQajbZf3ozs7IDk41g4NvWg5GtHM 3MYriL0LUBXLT+YSZ9Qq2DmRZRatCjk6tiMYeHG/GtH6GZs3YExRO9Am16C1gTJRao9mJtCB DR+0NrRB2E7tKN8EZySAsZkDzbL+hL/LpdWkEZvlBsSxJebAN0x64w3FSztHGfZwLfLsxdva 6CfYs8kalHoTxRoRhpIKmTtGFJI4v9cR0+Ua5trMPgHG2QIOgXOKtOTgdYF5ksA98ZF+Odsu W7yCe9POqc4bnDbOXByxVuNMPwVSESk/GJwnxRB2vW4nywQKREJ2H6HeDO+KVhLE9nH5Alsp XpEgPpzYVeplhcKKi6H56bI0anIHvao7vEEXNP2pwRWSoMKEwGWGG7QvmemQ0YbsUqJSK563 SwNe5cVUg/Cqb08m7D9ybAm+hwgtvzU7OGsLyIHuyVxnGkB5A1GV1lizUmsFauBxyw8Yx6Gm wfmsiwEVYV/lidg+ubnsxqN7Kuvg9gYRvv+Yg1wl1QFRgeOFjbU8hj/AaNAP9SppHcA5joBe kakQx18Y6LIKKvdoepDg3mFXrOouo8i5Ag0EWI4TOgEQAMmEISQmHDde0q2YfyeA8MKejHlt 5vCldKYwtaN5ii077vJaNrQk9Q8Iym6ro0plAdtLDTzyQCATWUctF6B0VowB4/LqF40U4g+u NAj7fzC/mVvSIG42diN0pJYkcfd9ghVcF7H5CeYe2zL3TlqilqQA6Xmt6i7NmYUMO939jw7V ZszMHlqvDTUzcimKrTVB7oS3+r5v1GGT3q+utrxka3WoQ3IHnidsylbTfF+dlRsvtKWxtg8k mTgu/oj1CmUE0DQh67kXsiC3nhjdUh+eZfDGmLuOGgVAWU/WNCS3oaVxVXW3rX/nUc+URkiO CuxyPjBy+A8Z+I8OXpIaC6FQY9sCFVo7yK4UxsK+eM93mWGIc5cGBL99vr+7YgZ3TBjYrazL O5Z8wyw765G1U3dPZB+egRMEY5CO64eb78f7vbRl8/INZWdkJxcotR4weGnvOxxDHyncS3BT Su6iiqmXSz0ZDpaOdCMNDHE6Kmt1qw2NbuGUHohqg2K8+1mWnXwevS0afydoG7EX0AuE1YEf kODsek8ceFj4U2c1jlOQbuO01pHa6Z9VYn5NOwXETlIytjDyBt15R7Tt1BQQg7wU482a5SSl wXYyzOx42a2CLvZM2tXnbIY4VZDu+V1ywXNMGOs8Am1LJzi74eEv2NTbvdFMmsGAkWNWn6KS 77eR+pe5ABEBAAGJAjYEGAEIACAWIQQCKbPCTM7CVBJ8lTIA2GNnlCC90wUCWI4TOgIbDAAK CRAA2GNnlCC90zeSD/9qEpJAtuEAXyCCymUEpzN6XgSWdcYra+NolIGCRzWd3SnxtBi+zWwh LFxm8AEhfqSMRh95T4XWKHScIsZZuG9xiap5whJ5xLJC/NlZidQqiPSJLog2+Yqt+PBVPrMp aG7Cmq64Y4ttvFwLZ8Wn23irJzr9JiWvsjprImsCZbuG/I1JWHUIn70oknzsTgpTPWDCfnCi GhCK7vgXak9QgBKhrzgADK3o6uCjmNllUdci9gFzUSy4/x9x73xrbzXS8/pO23fnbBwPa7VV 9IRtOb8HJJk8Y79A1ZnkVANBo1KmE+Ycw92IMcz2ev4VFw+pbqZ/swHqa3y3L5cT7Keqgc67 wiahSZRc5zM0jJWxN//lpgcdnDRI1OSLCrMMI69yc2QMzUZu87BtEJzm0DBy2pIKEni9dSCw wMITUsU21Ny3RmaV7fmXYAyp9pcaQQWGOb2CIvU7k60eLWgfNTo5SGI56WYC+ndod7vPU+sw JVbKrQKqfwO5JbdY9YPbo++Z6kfrnbkmm3wkJ4W8dOcrkLYbmOk7sColcQhVbmGy74Ggzl75 R22Q7+Uhjj9iq0Kv3CGQ3rKVdXOfAo5OekdaMDx9t9HoirGiokcyCPTy7wAyvQ75lbrygxCm e05XBfLZHrMp+SdM8ONsdgIe7U0bI85zYegceSagzCtBdB8HQ10TFg==
Message-ID: <92259d38-bc10-9bc3-10e0-ff818e026eae@treenet.co.nz>
Date: Sat, 5 Sep 2020 22:37:35 +1200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0
MIME-Version: 1.0
In-Reply-To: <CACweHNAiD49558yvM71DWURh8q6H6zEhsQ0N-wRVvEGGrnQrUg@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Received-SPF: pass client-ip=116.251.193.116; envelope-from=squid3@treenet.co.nz; helo=treenet.co.nz
X-W3C-Hub-Spam-Status: No, score=-5.0
X-W3C-Hub-Spam-Report: BAYES_00=-1.9, NICE_REPLY_A=-0.915, RDNS_NONE=0.793, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, W3C_AA=-1, W3C_IRA=-1, W3C_WL=-1
X-W3C-Scan-Sig: titan.w3.org 1kEVfm-0000up-5Q d1d49e98971d29cf74f2efb5ef5103fb
X-Original-To: ietf-http-wg@w3.org
Subject: Re: Is HTTP/1.0 still relevant?
Archived-At: <https://www.w3.org/mid/92259d38-bc10-9bc3-10e0-ff818e026eae@treenet.co.nz>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/38016
X-Loop: ietf-http-wg@w3.org
Resent-Sender: ietf-http-wg-request@w3.org
Precedence: list
List-Id: <ietf-http-wg.w3.org>
List-Help: <https://www.w3.org/Mail/>
List-Post: <mailto:ietf-http-wg@w3.org>
List-Unsubscribe: <mailto:ietf-http-wg-request@w3.org?subject=unsubscribe>

On 4/09/20 7:18 pm, Matthew Kerwin wrote:
> 
> 
> On Fri, Sep 4, 2020 at 3:19 PM Eric J Bowman wrote:
> 
>     __
>     Hi, I'm greenfield-coding a webserver, and wondering if I can just
>     do away with back-compat with HTTP/1.0. My concern is it's still
>     alive and kicking on intermediaries. Is there any empirical data on
>     this? Opinions also appreciated.
> 
>     -Eric
> 
> 
> In BOFH land we have monitors that still use HTTP/0.9 requests for
> heartbeat status checks. If the response isn't exactly the two bytes
> 0x55 0x50 ("UP") it yanks the server from the load-balancing pool.
> 
> So, something to consider.
> 

Oh dear. I was about to ask if anyone had seen it recently.

Are you able to mention software/application names I can reference in
reply to the requests to remove the HTTP/0.9 support from Squid?

Cheers
Amos