Re: [quicwg/base-drafts] Guard initial packet against amplification attack via compression (#596)
ianswett <notifications@github.com> Tue, 06 June 2017 21:28 UTC
Return-Path: <bounces+848413-a050-quic-issues=ietf.org@sgmail.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 42C0F12940F for <quic-issues@ietfa.amsl.com>; Tue, 6 Jun 2017 14:28:58 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -0.617
X-Spam-Level:
X-Spam-Status: No, score=-0.617 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_IMAGE_ONLY_28=1.404, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] autolearn=no 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 nSrcr2I9SQpH for <quic-issues@ietfa.amsl.com>; Tue, 6 Jun 2017 14:28:57 -0700 (PDT)
Received: from o11.sgmail.github.com (o11.sgmail.github.com [167.89.101.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0B450128BB6 for <quic-issues@ietf.org>; Tue, 6 Jun 2017 14:28:56 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=github.com; h=from:reply-to:to:cc:in-reply-to:references:subject:mime-version:content-type:content-transfer-encoding:list-id:list-archive:list-post:list-unsubscribe; s=s20150108; bh=H/f9sCNp/uJd29EslFqq7MSg5Ds=; b=FGzOo6mXsuwrzeaS 3Kn+bOGWBLEKvZY+9UdGKZvturFKBKNsZ8Dej/vVvBl7Epctog8hIjgRI+MG4Mlz /0/DVA8RFT0Bm5KT8FXsXmSN6vshMT09uK7di/8bh15TCC4B00wvK0oX4B5CF1by 57ltNEdGDme2DBg7PomGue1JWW0=
Received: by filter0905p1mdw1.sendgrid.net with SMTP id filter0905p1mdw1-17691-59371E96-47 2017-06-06 21:28:54.834253024 +0000 UTC
Received: from github-smtp2a-ext-cp1-prd.iad.github.net (github-smtp2a-ext-cp1-prd.iad.github.net [192.30.253.16]) by ismtpd0001p1iad1.sendgrid.net (SG) with ESMTP id 70Ssmk8RQmSAqP1sbzkD1g for <quic-issues@ietf.org>; Tue, 06 Jun 2017 21:28:54.803 +0000 (UTC)
Date: Tue, 06 Jun 2017 14:28:54 -0700
From: ianswett <notifications@github.com>
Reply-To: quicwg/base-drafts <reply+0166e4abac7c826c756d802fa680ef2efc182e5de58a360a92cf00000001154ee09692a169ce0df15566@reply.github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <quicwg/base-drafts/issues/596/306622855@github.com>
In-Reply-To: <quicwg/base-drafts/issues/596@github.com>
References: <quicwg/base-drafts/issues/596@github.com>
Subject: Re: [quicwg/base-drafts] Guard initial packet against amplification attack via compression (#596)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_59371e96a3de0_30ec3fc6ac5fbc2c87734"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: ianswett
X-GitHub-Recipient: quic-issues
X-GitHub-Reason: subscribed
X-Auto-Response-Suppress: All
X-GitHub-Recipient-Address: quic-issues@ietf.org
X-SG-EID: l64QuQ2uJCcEyUykJbxN122A6QRmEpucztpreh3Pak0q1/6bCv97B2mKm1tjxcTLDiThj8YzrlfkWI adFi5uyNpo8HO1PPD+CmhXnqMjnduZVfcI4ZX50A9v+kw2HJGhbt9ApkuIj8769ULjVORK3FXU5CQI Bl45O5pevvi0V7xDqU7qZCyoA/O/qa4oEOHAR0Ww7m8Eu/nKOUKbgRBZXstg3t5BZRGejuU0xTQJ3O w=
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic-issues/O7mGawWj6VdvmApCI1nTIUH9Ov8>
X-BeenThere: quic-issues@ietf.org
X-Mailman-Version: 2.1.22
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: Tue, 06 Jun 2017 21:28:58 -0000
To clarify, you're imagining an attacker behind a proxy which compresses packets? Given the vast majority of packets flowing through 443 are encrypted, and a large portion of the rest is the TLS handshake(which encrypts poorly), I'm not sure why one would deploy such a proxy? If there is no reason to believe this sort of proxy is common, I would tend to agree with Martin that this isn't worth worrying about. -- 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/596#issuecomment-306622855
- [quicwg/base-drafts] Guard initial packet against… MikkelFJ
- Re: [quicwg/base-drafts] Guard initial packet aga… Martin Thomson
- Re: [quicwg/base-drafts] Guard initial packet aga… MikkelFJ
- Re: [quicwg/base-drafts] Guard initial packet aga… MikkelFJ
- Re: [quicwg/base-drafts] Guard initial packet aga… ianswett
- Re: [quicwg/base-drafts] Guard initial packet aga… MikkelFJ
- Re: [quicwg/base-drafts] Guard initial packet aga… MikkelFJ
- Re: [quicwg/base-drafts] Guard initial packet aga… MikkelFJ
- Re: [quicwg/base-drafts] Guard initial packet aga… Martin Thomson
- Re: [quicwg/base-drafts] Guard initial packet aga… Martin Thomson