Return-Path: X-Original-To: apmail-httpd-dev-archive@www.apache.org Delivered-To: apmail-httpd-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 0AB9A82E4 for ; Wed, 24 Aug 2011 20:59:14 +0000 (UTC) Received: (qmail 81232 invoked by uid 500); 24 Aug 2011 20:59:13 -0000 Delivered-To: apmail-httpd-dev-archive@httpd.apache.org Received: (qmail 81173 invoked by uid 500); 24 Aug 2011 20:59:12 -0000 Mailing-List: contact dev-help@httpd.apache.org; run by ezmlm Precedence: bulk Reply-To: dev@httpd.apache.org list-help: list-unsubscribe: List-Post: List-Id: Delivered-To: mailing list dev@httpd.apache.org Received: (qmail 81165 invoked by uid 99); 24 Aug 2011 20:59:12 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 24 Aug 2011 20:59:12 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [208.97.132.74] (HELO homiemail-a27.g.dreamhost.com) (208.97.132.74) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 24 Aug 2011 20:59:04 +0000 Received: from homiemail-a27.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a27.g.dreamhost.com (Postfix) with ESMTP id 2C8C959807D for ; Wed, 24 Aug 2011 13:58:44 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gbiv.com; h=content-type :mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; q=dns; s= gbiv.com; b=kKtFPg7UYkaiiBSIoHycDf5nIC43GXaB/h9MZSBHzRXs5Dz7Mt8p eqXzeR8g7uthCr+HrykX9unBPakq+6vLNOjntQ2g8frMeds9Dcq/WxqbLBqvoLlp ve9DhC4RN824lomogYm8C9AJMOVoRqXjxl+7edw6/tbU557kXE0ZFSQ= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gbiv.com; h=content-type :mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; s=gbiv.com; bh=zCXQKpyXxL93WrphPvwyzgy5ozc=; b=vB82mR8Orv3ReuAmLfjLdj8Z2oSv XJ9wJlG9xkhPW53U43CsPZgE3MZ8BJThFgCfddW/qOsWIfK/QDfdiRy/iB8mgLwW +fduw7aN58GiFK4OlbWhsrsgyvz3yqInWp6OI5/XU7qCa9xyNyu0bUHCqMz9O75+ cj4Seinf7JGHaiI= Received: from [10.134.89.86] (unknown [75.103.10.98]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: fielding@gbiv.com) by homiemail-a27.g.dreamhost.com (Postfix) with ESMTPSA id 1119F598058 for ; Wed, 24 Aug 2011 13:58:44 -0700 (PDT) Content-Type: text/plain; charset=iso-8859-1 Mime-Version: 1.0 (Apple Message framework v1084) Subject: Re: DoS with mod_deflate & range requests From: "Roy T. Fielding" In-Reply-To: Date: Wed, 24 Aug 2011 13:58:43 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: References: <4E53EEEF.2060409@rowe-clan.net> <201108232049.58021.sf@sfritsch.de> <4E540062.4040903@rowe-clan.net> <4E541CE5.1080608@rowe-clan.net> <20110824153559.GA24702@nebula.c8h10n4o2.org.uk> <71A86EB1-CCBA-40E9-A853-02C2CC3400A6@bbc.co.uk> To: dev@httpd.apache.org X-Mailer: Apple Mail (2.1084) X-Virus-Checked: Checked by ClamAV on apache.org On Aug 24, 2011, at 8:55 AM, Pl=FCm, R=FCdiger, VF-Group wrote: > Hm. If I got it right what Roy says above about the spec sorting and = merging is > not an option as we need to stick to the order and number of ranges = the client > requested. But we can deny overlapping with a 416. We should implement whatever is needed to make the service secure from this denial of service. If that means changing the spec, then so be it. > Or we do a 416 as well if merging would change something. Or 200 if folks are squeamish about making the developer feel the pain. ....Roy