Secure DHCPv6
draft-ietf-dhc-sedhcpv6-11

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Document Type Active Internet-Draft (dhc WG)
Last updated 2016-03-09
Replaces draft-jiang-dhc-sedhcpv6
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DHC Working Group                                               S. Jiang
Internet-Draft                              Huawei Technologies Co., Ltd
Intended status: Standards Track                                   L. Li
Expires: September 9, 2016                                        Y. Cui
                                                     Tsinghua University
                                                               T. Jinmei
                                                           Infoblox Inc.
                                                                T. Lemon
                                                           Nominum, Inc.
                                                                D. Zhang
                                                           March 8, 2016

                             Secure DHCPv6
                       draft-ietf-dhc-sedhcpv6-11

Abstract

   The Dynamic Host Configuration Protocol for IPv6 (DHCPv6) enables
   DHCPv6 servers to pass configuration parameters.  It offers
   configuration flexibility.  If not secured, DHCPv6 is vulnerable to
   various attacks.  This document analyzes the security issues of
   DHCPv6 and specifies the secure DHCPv6 mechanism for authentication
   and encryption of messages between a DHCPv6 client and a DHCPv6
   server.

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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   Internet-Drafts are draft documents valid for a maximum of six months
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   time.  It is inappropriate to use Internet-Drafts as reference
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   This Internet-Draft will expire on September 9, 2016.

Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Jiang, et al.           Expires September 9, 2016               [Page 1]
Internet-Draft                  SeDHCPv6                      March 2016

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   include Simplified BSD License text as described in Section 4.e of
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Requirements Language and Terminology . . . . . . . . . . . .   3
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Security Issues of DHCPv6 . . . . . . . . . . . . . . . . . .   4
   5.  Secure DHCPv6 Overview  . . . . . . . . . . . . . . . . . . .   5
     5.1.  Solution Overview . . . . . . . . . . . . . . . . . . . .   5
     5.2.  New Components  . . . . . . . . . . . . . . . . . . . . .   6
     5.3.  Support for Algorithm Agility . . . . . . . . . . . . . .   7
     5.4.  Applicability . . . . . . . . . . . . . . . . . . . . . .   7
   6.  DHCPv6 Client Behavior  . . . . . . . . . . . . . . . . . . .   8
   7.  DHCPv6 Server Behavior  . . . . . . . . . . . . . . . . . . .  11
   8.  Relay Agent Behavior  . . . . . . . . . . . . . . . . . . . .  12
   9.  Processing Rules  . . . . . . . . . . . . . . . . . . . . . .  12
     9.1.  Timestamp Check . . . . . . . . . . . . . . . . . . . . .  12
   10. Extensions for Secure DHCPv6  . . . . . . . . . . . . . . . .  14
     10.1.  New DHCPv6 Options . . . . . . . . . . . . . . . . . . .  14
       10.1.1.  Certificate Option . . . . . . . . . . . . . . . . .  14
       10.1.2.  Timestamp Option . . . . . . . . . . . . . . . . . .  15
       10.1.3.  Encrypted-message Option . . . . . . . . . . . . . .  16
     10.2.  New DHCPv6 Messages  . . . . . . . . . . . . . . . . . .  17
     10.3.  Status Codes . . . . . . . . . . . . . . . . . . . . . .  17
   11. Security Considerations . . . . . . . . . . . . . . . . . . .  18
   12. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  18
   13. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  19
   14. Change log [RFC Editor: Please remove]  . . . . . . . . . . .  20
   15. Open Issues [RFC Editor: Please remove] . . . . . . . . . . .  21
   16. References  . . . . . . . . . . . . . . . . . . . . . . . . .  22
     16.1.  Normative References . . . . . . . . . . . . . . . . . .  22
     16.2.  Informative References . . . . . . . . . . . . . . . . .  23
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