Re: The TCP and UDP checksum algorithm may soon need updating

"Salz, Rich" <rsalz@akamai.com> Sun, 07 June 2020 22:54 UTC

Return-Path: <rsalz@akamai.com>
X-Original-To: ietf@ietfa.amsl.com
Delivered-To: ietf@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2DFAE3A0062 for <ietf@ietfa.amsl.com>; Sun, 7 Jun 2020 15:54:27 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.1
X-Spam-Level:
X-Spam-Status: No, score=-2.1 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=akamai.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 jWlUFR9urowm for <ietf@ietfa.amsl.com>; Sun, 7 Jun 2020 15:54:26 -0700 (PDT)
Received: from mx0a-00190b01.pphosted.com (mx0a-00190b01.pphosted.com [IPv6:2620:100:9001:583::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 161473A005C for <ietf@ietf.org>; Sun, 7 Jun 2020 15:54:25 -0700 (PDT)
Received: from pps.filterd (m0050093.ppops.net [127.0.0.1]) by m0050093.ppops.net-00190b01. (8.16.0.42/8.16.0.42) with SMTP id 057Mnaf7008339; Sun, 7 Jun 2020 23:54:23 +0100
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=jan2016.eng; bh=x62cfaJ2U+I459QNZk+dNR025vD8V+wDs0qFrTbgZeI=; b=gkLrkSGFgfpRpPO14DzIcScXOWLTsKjU8z07/0eEp8dGBXxmhupzsUbH9iIvoqkzAqSq eqsGqJhfS6dlFCxupYM7z4yU5135bjMRpdlXK6A4GapuQ5K9z4cSfMEg4sHzrye7cDWd aWjMDFdP4LtFJs7w6B5AxZ0dMZ9ACsd+lSr4sjmPIVtFHatvDDr/+0bYLpbEoLsPysBb cou1+YU9zfyBkzeiMAewCEGIqFVTh7FXb7yGT+qMbDTjBDuHCz0Ha+X0OvY7UxHxxmGZ iltwcWKz2MCpb5dmP8TbaWS0t51nYcYFJKQM9l1pYQYpo9tlxlLpzt6xQr7xufC3iH9w Cw==
Received: from prod-mail-ppoint3 (a72-247-45-31.deploy.static.akamaitechnologies.com [72.247.45.31] (may be forged)) by m0050093.ppops.net-00190b01. with ESMTP id 31g2dtwf4u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 07 Jun 2020 23:54:23 +0100
Received: from pps.filterd (prod-mail-ppoint3.akamai.com [127.0.0.1]) by prod-mail-ppoint3.akamai.com (8.16.0.42/8.16.0.42) with SMTP id 057MoY2o017910; Sun, 7 Jun 2020 18:54:22 -0400
Received: from email.msg.corp.akamai.com ([172.27.165.112]) by prod-mail-ppoint3.akamai.com with ESMTP id 31g6fy4q0c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sun, 07 Jun 2020 18:54:22 -0400
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com (172.27.165.119) by ustx2ex-dag1mb2.msg.corp.akamai.com (172.27.165.120) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 7 Jun 2020 17:54:21 -0500
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com ([172.27.165.119]) by ustx2ex-dag1mb1.msg.corp.akamai.com ([172.27.165.119]) with mapi id 15.00.1497.006; Sun, 7 Jun 2020 17:54:21 -0500
From: "Salz, Rich" <rsalz@akamai.com>
To: Michael Thomas <mike@mtcc.com>, Joseph Touch <touch@strayalpha.com>
CC: "ietf@ietf.org" <ietf@ietf.org>
Subject: Re: The TCP and UDP checksum algorithm may soon need updating
Thread-Topic: The TCP and UDP checksum algorithm may soon need updating
Thread-Index: AQHWOqQkI5C4JiLph0G4VdrGIZhHUqjJLHSAgAAMCICAABGLAIAAAhKAgAAH2wCAACNLgIAAMX6AgAARtoCAAMu6gIAACAsAgANF1ACAAAh8AIAACMMAgAAbAwCAABH/gIAAAjEA///EIwA=
Date: Sun, 7 Jun 2020 22:54:19 +0000
Message-ID: <2C425F1E-2E12-4E47-ACEC-AF4C4A93FA3E@akamai.com>
References: <28A2725D-00F8-4739-8A73-ED176F8EF561@strayalpha.com> <3AA98081-A70E-4076-8096-79FFAEE8A738@huitema.net> <830b91c4-0bb5-af5b-f7b8-c5edd43dc87e@mtcc.com> <4512C1BF-5722-479B-8506-24018610BEAD@strayalpha.com> <5b4ea5ea-e2d6-1a01-3676-dd2a72dbd2c1@mtcc.com>
In-Reply-To: <5b4ea5ea-e2d6-1a01-3676-dd2a72dbd2c1@mtcc.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/16.37.20051002
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [172.19.114.33]
Content-Type: text/plain; charset="utf-8"
Content-ID: <FAB3B1B25D467B43BCBFC7E35392FE0A@akamai.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-07_13:2020-06-04, 2020-06-07 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 suspectscore=0 bulkscore=0 spamscore=0 mlxlogscore=603 phishscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006070180
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-07_13:2020-06-04, 2020-06-07 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 clxscore=1011 impostorscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 bulkscore=0 cotscore=-2147483648 phishscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 mlxlogscore=585 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006070180
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf/ozh3JAbw5mfClngWv3hSWIukvFU>
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf/>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 07 Jun 2020 22:54:27 -0000

>    That's my point: TLS leaves the transport layer unprotected.

Why do you say that?