Re: [quicwg/base-drafts] Version Negotiation when Version = 0 (#816)

Nick Banks <notifications@github.com> Fri, 30 November 2018 20:40 UTC

Return-Path: <noreply@github.com>
X-Original-To: quic-issues@ietfa.amsl.com
Delivered-To: quic-issues@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 91FD113101C for <quic-issues@ietfa.amsl.com>; Fri, 30 Nov 2018 12:40:31 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -9.46
X-Spam-Level:
X-Spam-Status: No, score=-9.46 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.46, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=github.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 9oH33YF6ZfuB for <quic-issues@ietfa.amsl.com>; Fri, 30 Nov 2018 12:40:29 -0800 (PST)
Received: from out-5.smtp.github.com (out-5.smtp.github.com [192.30.252.196]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4A188131024 for <quic-issues@ietf.org>; Fri, 30 Nov 2018 12:40:29 -0800 (PST)
Date: Fri, 30 Nov 2018 12:40:27 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1543610427; bh=o8K1PXviW/rjtbvfxlK62j7wwV5hmlmGkH0kDgamBa4=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=j1GmVm4sKwO5lpuv4rkUtngx/QNVpz1WEVWuJ5hiwKMpt4nFuw6CpO65p2/gJjAB6 mrlrfeCNYF+7A+54Pq83BvAIWmRrCr9jZRwHRY+y/h1EPOoDQeT5QpqZ89bkotg/X6 lXQ3hCmb54JLbblZCqColDK71A5H1PlGR8zxXMV8=
From: Nick Banks <notifications@github.com>
Reply-To: quicwg/base-drafts <reply+0166e4ab31c45bf241ce91de11468e1bc4c061ea8204309992cf000000011819623b92a169ce0fa150f9@reply.github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <quicwg/base-drafts/issues/816/443332763@github.com>
In-Reply-To: <quicwg/base-drafts/issues/816@github.com>
References: <quicwg/base-drafts/issues/816@github.com>
Subject: Re: [quicwg/base-drafts] Version Negotiation when Version = 0 (#816)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_5c01a03be5f84_1f283fbc76cd45c02851dc"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: nibanks
X-GitHub-Recipient: quic-issues
X-GitHub-Reason: subscribed
X-Auto-Response-Suppress: All
X-GitHub-Recipient-Address: quic-issues@ietf.org
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic-issues/q9la-dDxyKMQRQ_xciskyDhSnIo>
X-BeenThere: quic-issues@ietf.org
X-Mailman-Version: 2.1.29
List-Id: Notification list for GitHub issues related to the QUIC WG <quic-issues.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/quic-issues/>
List-Post: <mailto:quic-issues@ietf.org>
List-Help: <mailto:quic-issues-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 30 Nov 2018 20:40:39 -0000

I'd like to reopen this issue, because if two servers support enough versions to produce really large VN packets, then an attacker could get them to continually send VN back and forth. So I think a server should silently drop a version 0 packet that it receives.

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/quicwg/base-drafts/issues/816#issuecomment-443332763