Re: [quicwg/base-drafts] Padding outside QUIC packet (#3333)

MikkelFJ <> Wed, 11 March 2020 23:15 UTC

Return-Path: <>
Received: from localhost (localhost []) by (Postfix) with ESMTP id C88DE3A09D4 for <>; Wed, 11 Mar 2020 16:15:32 -0700 (PDT)
X-Virus-Scanned: amavisd-new at
X-Spam-Flag: NO
X-Spam-Score: -1.554
X-Spam-Status: No, score=-1.554 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_IMAGE_ONLY_20=1.546, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: (amavisd-new); dkim=pass (1024-bit key)
Received: from ([]) by localhost ( []) (amavisd-new, port 10024) with ESMTP id L-Tbto4jIgTB for <>; Wed, 11 Mar 2020 16:15:31 -0700 (PDT)
Received: from ( []) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by (Postfix) with ESMTPS id 0320A3A09D8 for <>; Wed, 11 Mar 2020 16:15:30 -0700 (PDT)
Received: from ( []) by (Postfix) with ESMTP id 3076E5201F6 for <>; Wed, 11 Mar 2020 16:15:30 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;; s=pf2014; t=1583968530; bh=4z/K612ginN41SkxIKAE/kxBvhhoYSkg0vTwHhA0ogc=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=XeSb9WTO/wvDynkz1l+riCH1/tGiYHSus/9cygZd4ixP6mogHkUrvtPYC6zNgxxpB n7P0uHR4c4M3YngZJB4xejIYgPX7I4j76YxjreKba8eGGNHT7iBqV/gU75WddL4FUR 4a53yg9kmO9Dwar81y3ikg5qbSYrUI0JpxIz64YM=
Date: Wed, 11 Mar 2020 16:15:30 -0700
From: MikkelFJ <>
Reply-To: quicwg/base-drafts <>
To: quicwg/base-drafts <>
Cc: Subscribed <>
Message-ID: <quicwg/base-drafts/issues/3333/>
In-Reply-To: <quicwg/base-drafts/issues/>
References: <quicwg/base-drafts/issues/>
Subject: Re: [quicwg/base-drafts] Padding outside QUIC packet (#3333)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_5e697112156dd_2d163fc2240cd96c295119"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: mikkelfj
X-GitHub-Recipient: quic-issues
X-GitHub-Reason: subscribed
X-Auto-Response-Suppress: All
Archived-At: <>
X-Mailman-Version: 2.1.29
List-Id: Notification list for GitHub issues related to the QUIC WG <>
List-Unsubscribe: <>, <>
List-Archive: <>
List-Post: <>
List-Help: <>
List-Subscribe: <>, <>
X-List-Received-Date: Wed, 11 Mar 2020 23:15:33 -0000

I don't like the idea of allowing any kind of data in the datagram outside of the QUIC framework. Even for coalesced packets, they are required to belong to the same connection, possibly even the same packet number space.

Additional information in the datagram can be removed or fingerprinted, as already mentioned, but worse, information can be added. This could be used to leak cooperate data, tracking etc. - preventing this requires dropping all datagrams that cannot be fully decrypted, but I think there is consensus for that.

You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub: