Re: Server Push Error Codes

Martin Thomson <martin.thomson@gmail.com> Wed, 24 August 2016 10:13 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 B9F3712D8AF for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 24 Aug 2016 03:13:50 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -7.569
X-Spam-Level:
X-Spam-Status: No, score=-7.569 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.548, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
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 ZtUZkbvgfxn9 for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 24 Aug 2016 03:13:49 -0700 (PDT)
Received: from frink.w3.org (frink.w3.org [128.30.52.56]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4C1C512D8AD for <httpbisa-archive-bis2Juki@lists.ietf.org>; Wed, 24 Aug 2016 03:13:49 -0700 (PDT)
Received: from lists by frink.w3.org with local (Exim 4.80) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1bcV7T-0001MD-Cf for ietf-http-wg-dist@listhub.w3.org; Wed, 24 Aug 2016 10:09:15 +0000
Resent-Date: Wed, 24 Aug 2016 10:09:15 +0000
Resent-Message-Id: <E1bcV7T-0001MD-Cf@frink.w3.org>
Received: from maggie.w3.org ([128.30.52.39]) by frink.w3.org with esmtps (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from <martin.thomson@gmail.com>) id 1bcV7K-0001LE-BO for ietf-http-wg@listhub.w3.org; Wed, 24 Aug 2016 10:09:06 +0000
Received: from mail-qt0-f181.google.com ([209.85.216.181]) by maggie.w3.org with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from <martin.thomson@gmail.com>) id 1bcV7I-0006gq-Ml for ietf-http-wg@w3.org; Wed, 24 Aug 2016 10:09:05 +0000
Received: by mail-qt0-f181.google.com with SMTP id w38so4916243qtb.0 for <ietf-http-wg@w3.org>; Wed, 24 Aug 2016 03:08:44 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=upuuL6+IpbBCSFDpGSndsMolXNEOjUvD8RslyRJUu8w=; b=QaTH5XLdwc+OWD7PdkVZmwRJZzahfBEvuncEfl59S1Ow1hKHdMlbbL/6ras9L//fLE BAGmTbSO8ztZ4ZnTBFp4O1PQUHsr1gU8kkWfr8OnBHNvmF+9vmCYuUaDEaL43rHXBRt3 WKlBYzkg0qvVhUodS4RODmULlOMoRSdwq5WLZ1hV6+gx3C8AXzHD2NY05WkhSRH4czvD P697kiGEOco4OzTJi/cUd4o6RegSuj49Wt/A05mQr5/JNSYgZmPt+Poz3l/fsV/WbxII L10OlyP5vs8DAlurmtOp1ChneQa0kHx9bDSm5juuyyeiBmO4iBiqAM77vhPtd2AnZbPx mGgQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=upuuL6+IpbBCSFDpGSndsMolXNEOjUvD8RslyRJUu8w=; b=YkBkSjc8+F7bPiCxv0+8sjY04Oo8wC1Ph2DC1R2gQlGwcgEj/4cIexiX8aY6eLJ0P2 lUwei196nhHz0ogWjauz332KZgKL/wW859UghgO/QmDjuh9EEF/eMDSSVVedDAH0c6ov Pe5dhnVOqHJ6Et9vmcyrXHS+lbybt1YF1QFgDuyGJBH16up6Gv7+cldG7cL4Mr29rB8K Huscx7tEquKbMoU4PSMtbrhqsGBmEbF1cQXq5oCJgh3IdE+6H58nHW7rVc3MGknwc+sJ WUK78rVGcSOSsXOWQyPzsFXuqlg1MYfQBXJ/TRrHNWZVqxKtRAspFDenhN3Dm+RIAgDZ EjaQ==
X-Gm-Message-State: AE9vXwOGdVbkW7/mNPO20XCyDC6cyOBa8HmUfFtlBgH4Ol2udjM1RBHGPY4mJmLFtmw2yJs/B6AAHca/FqmcKg==
X-Received: by 10.200.53.24 with SMTP id y24mr2347711qtb.16.1472033318924; Wed, 24 Aug 2016 03:08:38 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.140.22.146 with HTTP; Wed, 24 Aug 2016 03:08:38 -0700 (PDT)
In-Reply-To: <20160824090420.zuo4tlj3crkyxwjk@emily-tablet>
References: <077CD10C-E189-47B0-A221-3EA270B2B55D@mnot.net> <CABkgnnVE8OBy_oxbw86ZNf0AHnywmTPAgEFNm8w9sSu-Q0FXKw@mail.gmail.com> <2099D099-70BC-43E2-A3BD-2891C87FE74A@mnot.net> <20160824090420.zuo4tlj3crkyxwjk@emily-tablet>
From: Martin Thomson <martin.thomson@gmail.com>
Date: Wed, 24 Aug 2016 20:08:38 +1000
Message-ID: <CABkgnnUnEcWYFKzONdaggBPvLJC+G4JYNWtb1M=y_31+fda6jg@mail.gmail.com>
To: Emily Shepherd <emily@emilyshepherd.me>
Cc: Mark Nottingham <mnot@mnot.net>, HTTP Working Group <ietf-http-wg@w3.org>
Content-Type: text/plain; charset="UTF-8"
Received-SPF: pass client-ip=209.85.216.181; envelope-from=martin.thomson@gmail.com; helo=mail-qt0-f181.google.com
X-W3C-Hub-Spam-Status: No, score=-7.9
X-W3C-Hub-Spam-Report: AWL=1.832, BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, W3C_AA=-1, W3C_DB=-1, W3C_IRA=-1, W3C_IRR=-3, W3C_WL=-1
X-W3C-Scan-Sig: maggie.w3.org 1bcV7I-0006gq-Ml 8b2e94cce28ceb81c582f8d5c91eefe4
X-Original-To: ietf-http-wg@w3.org
Subject: Re: Server Push Error Codes
Archived-At: <http://www.w3.org/mid/CABkgnnUnEcWYFKzONdaggBPvLJC+G4JYNWtb1M=y_31+fda6jg@mail.gmail.com>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/32348
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: <http://www.w3.org/Mail/>
List-Post: <mailto:ietf-http-wg@w3.org>
List-Unsubscribe: <mailto:ietf-http-wg-request@w3.org?subject=unsubscribe>

On 24 August 2016 at 19:04, Emily Shepherd <emily@emilyshepherd.me> wrote:
> I agree. I can't see a reason being specific in error conditions could ever
> be a bad thing.


There were a few times in TLS when overly specific error reporting
created an oracle that could be used to break the protocol.  Though
maybe HTTP is safe from that.