Recommended Simple Security Capabilities in Customer Premises Equipment (CPE) for Providing Residential IPv6 Internet Service
RFC 6092

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Internet Engineering Task Force (IETF)                  J. Woodyatt, Ed.
Request for Comments: 6092                                         Apple
Category: Informational                                     January 2011
ISSN: 2070-1721

              Recommended Simple Security Capabilities in
                 Customer Premises Equipment (CPE) for
              Providing Residential IPv6 Internet Service

Abstract

   This document identifies a set of recommendations for the makers of
   devices and describes how to provide for "simple security"
   capabilities at the perimeter of local-area IPv6 networks in
   Internet-enabled homes and small offices.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6092.

Copyright Notice

   Copyright (c) 2011 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
   (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
   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.

Woodyatt                      Informational                     [Page 1]
RFC 6092           Simple Security in IPv6 Gateway CPE      January 2011

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1. Introduction ....................................................3
      1.1. Special Language ...........................................3
      1.2. Use of Normative Keywords ..................................3
   2. Overview ........................................................4
      2.1. Basic Sanitation ...........................................5
      2.2. Internet Layer Protocols ...................................5
      2.3. Transport Layer Protocols ..................................6
   3. Detailed Recommendations ........................................6
      3.1. Stateless Filters ..........................................7
      3.2. Connection-Free Filters ....................................8
           3.2.1. Internet Control and Management .....................8
           3.2.2. Upper-Layer Transport Protocols .....................8
           3.2.3. UDP Filters ........................................10
           3.2.4. IPsec and Internet Key Exchange (IKE) ..............11
           3.2.5. Mobility Support in IPv6 ...........................12
      3.3. Connection-Oriented Filters ...............................13
           3.3.1. TCP Filters ........................................14
           3.3.2. SCTP Filters .......................................17
           3.3.3. DCCP Filters .......................................20
           3.3.4. Level 3 Multihoming Shim Protocol for IPv6
                  (Shim6) ............................................23
      3.4. Passive Listeners .........................................23
      3.5. Management Applications ...................................24
   4. Summary of Recommendations .....................................25
   5. Contributors ...................................................31
   6. Security Considerations ........................................32
   7. References .....................................................33
      7.1. Normative References ......................................33
      7.2. Informative References ....................................35