Internet Key Exchange Protocol Version 2 (IKEv2) Configuration for Encrypted DNS
draft-btw-add-ipsecme-ike-01

Document Type Active Internet-Draft (individual)
Authors Mohamed Boucadair  , Tirumaleswar Reddy.K  , Dan Wing  , Valery Smyslov 
Last updated 2020-09-09
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ADD                                                         M. Boucadair
Internet-Draft                                                    Orange
Intended status: Standards Track                                T. Reddy
Expires: March 13, 2021                                           McAfee
                                                                 D. Wing
                                                                  Citrix
                                                              V. Smyslov
                                                              ELVIS-PLUS
                                                       September 9, 2020

   Internet Key Exchange Protocol Version 2 (IKEv2) Configuration for
                             Encrypted DNS
                      draft-btw-add-ipsecme-ike-01

Abstract

   This document specifies a new Internet Key Exchange Protocol Version
   2 (IKEv2) Configuration Payload Attribute Types for encrypted DNS
   with a focus on DNS-over-HTTPS (DoH), DNS-over-TLS (DoT), and DNS-
   over-QUIC (DoQ).

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on March 13, 2021.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents

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   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Sample Deployment Scenarios . . . . . . . . . . . . . . . . .   3
     3.1.  Roaming Enterprise Users  . . . . . . . . . . . . . . . .   3
     3.2.  VPN Service Provider  . . . . . . . . . . . . . . . . . .   4
     3.3.  DNS Offload . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  IKEv2 Configuration Payload Attribute Types for Encrypted DNS   4
   5.  IKEv2 Protocol Exchange . . . . . . . . . . . . . . . . . . .   6
   6.  URI Template  . . . . . . . . . . . . . . . . . . . . . . . .   7
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .   7
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
     8.1.  Configuration Payload Attribute Types . . . . . . . . . .   8
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   9
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     10.1.  Normative References . . . . . . . . . . . . . . . . . .   9
     10.2.  Informative References . . . . . . . . . . . . . . . . .  10
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   This document specifies encrypted DNS configuration for an Internet
   Key Exchange Protocol Version 2 (IKEv2) [RFC7296] initiator,
   particularly the Authentication Domain Name (ADN, defined in
   [RFC8310]) of DNS-over-HTTPS (DoH) [RFC8484], DNS-over-TLS (DoT)
   [RFC7858], or DNS-over-QUIC (DoQ) [I-D.ietf-dprive-dnsoquic].

   This document introduces new IKEv2 Configuration Payload Attribute
   Types (Section 4) for the support of DoT, DoH, and DoQ DNS servers.

   This document targets the deployments discussed in Section 3.3 of
   [I-D.box-add-requirements].  Sample use cases are discussed in
   Section 3.  The Configuration Payload Attribute Types defined in this
   document are not specific to these deployments, but can also be used
   in other deployment contexts.

   Note that, for many years, typical designs have often considered that
   the DNS server was usually located inside the protected domain, but
   could be located outside of it.  With DoH, DoT, or DoQ the latter
   option becomes plausible.

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