From nobody Wed Apr 21 07:44:25 2021 Return-Path: X-Original-To: tls@ietfa.amsl.com Delivered-To: tls@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1F9183A2A83 for ; Wed, 21 Apr 2021 07:44:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.099 X-Spam-Level: X-Spam-Status: No, score=-2.099 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, RCVD_IN_DNSWL_BLOCKED=0.001, 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 d9dCRzPMDG0V for ; Wed, 21 Apr 2021 07:44:17 -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 A751C3A2A7F for ; Wed, 21 Apr 2021 07:44:10 -0700 (PDT) Received: from pps.filterd (m0050093.ppops.net [127.0.0.1]) by m0050093.ppops.net-00190b01. (8.16.0.43/8.16.0.43) with SMTP id 13LEeWD1028360; Wed, 21 Apr 2021 15:44:08 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; h=from : to : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=jan2016.eng; bh=pHQhtllwSsuoS1STHSXulwwPIYCfl50LomQ28/sbyBE=; b=evJyvvu7SLMHIfkej07vWhaA7iuMoaA6IhkrxNgoEKKVBH0A2VACnGac90FPDScdZGpD tNSfVSXR9UVGZ9Tt/9Wu6IYJSkcYDgEd1oy/1+7SnOEudP09CUN86SlxWQHJdhd2hSuN IK6RxY8ZyY3KH7LcHAK0xR8UU8+kT+yx3QIEY7P2zqAFkeOUtI8xhUUBfTF32ZdbnvAF R9/X9VMVIC2uMemV61WUUMmeGthcPWhaOMCtFR6pEx2Jt9BJ8ywP/Tqr1XWM2oRB9j0J KJ8JaSmdBIxZv2g2xPTITWMTplKRPySKU0VvItw7/hne4JQNmQfXl0aScxrkh7eqek/N vg== 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 381v0dkt0b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Apr 2021 15:44:08 +0100 Received: from pps.filterd (prod-mail-ppoint3.akamai.com [127.0.0.1]) by prod-mail-ppoint3.akamai.com (8.16.0.43/8.16.0.43) with SMTP id 13LEa60C023124; Wed, 21 Apr 2021 10:44:07 -0400 Received: from email.msg.corp.akamai.com ([172.27.165.116]) by prod-mail-ppoint3.akamai.com with ESMTP id 382ej1k23a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 21 Apr 2021 10:44:07 -0400 Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com (172.27.165.119) by ustx2ex-dag1mb4.msg.corp.akamai.com (172.27.165.122) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 21 Apr 2021 09:44:06 -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 15.00.1497.012; Wed, 21 Apr 2021 09:44:06 -0500 From: "Salz, Rich" To: Martin Thomson , "tls@ietf.org" Thread-Topic: [TLS] Authenticating the client-facing server with an IP-based certificate Thread-Index: AQHXNknVaW/QVUZSBEK9BZnoW9ppo6q/Hb2A Date: Wed, 21 Apr 2021 14:44:05 +0000 Message-ID: <2E897C9F-3BAF-492F-9EB2-8EA3E4306376@akamai.com> References: <38f4c969-90d8-478e-9c3d-0bdf538dabed@www.fastmail.com> <37c84b96-324b-46a6-a3c0-57eb275f439b@www.fastmail.com> In-Reply-To: <37c84b96-324b-46a6-a3c0-57eb275f439b@www.fastmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/16.48.21041102 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [172.27.164.43] Content-Type: text/plain; charset="utf-8" Content-ID: <25AB482ABF4D1641AB2D5A02A4519D6D@akamai.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-21_04:2021-04-21, 2021-04-21 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 spamscore=0 adultscore=0 mlxlogscore=875 phishscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104210113 X-Proofpoint-GUID: WgHn8OmqaF60k87TZibCPmcP0v86Zei1 X-Proofpoint-ORIG-GUID: WgHn8OmqaF60k87TZibCPmcP0v86Zei1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-04-21_05:2021-04-21, 2021-04-21 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 bulkscore=0 impostorscore=0 clxscore=1015 malwarescore=0 mlxlogscore=815 adultscore=0 spamscore=0 mlxscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104210113 X-Agari-Authentication-Results: mx.akamai.com; spf=${SPFResult} (sender IP is 72.247.45.31) smtp.mailfrom=rsalz@akamai.com smtp.helo=prod-mail-ppoint3 Archived-At: Subject: Re: [TLS] Authenticating the client-facing server with an IP-based certificate X-BeenThere: tls@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Apr 2021 14:44:23 -0000 PiAgICBBbGwgdGhhdCBzYWlkLCBJUCBjZXJ0aWZpY2F0ZXMgYXJlIG5hdHVyYWxseSBhIGZlYXR1 cmUgd2l0aCBuYXJyb3cgYXBwbGljYWJpbGl0eS4gIEZvciBzb21ldGhpbmcgbGlrZSBFQ0ggZmFs bGJhY2ssIHdoaWNoIHNob3VsZCBiZSByYXJlLCB3ZSBiZW5lZml0IG1vcmUgZnJvbSByZWR1Y2Vk IG9wdGlvbnMgYW5kIHNpbXBsaWNpdHkgdGhhbiB3ZSBkbyBieSBlbmFibGluZyBuaWNoZSBmZWF0 dXJlcy4gIEFkZGluZyBhIGRlcGVuZGVuY3kgb24gYSByYXJlbHkgdXNlZCBmZWF0dXJlLCBvcHRp b25hbCBvciBub3QsIG9ubHkgaW5jcmVhc2VzIHRoZSByaXNrIHByb2ZpbGUuICBBbmQgY29tcGxl eGl0eS4NCg0KSSBzdHJvbmdseSBhZ3JlZS4NCg0K