Using XMPP for Security Information Exchange
draft-ietf-mile-xmpp-grid-04

Document Type Active Internet-Draft (mile WG)
Last updated 2017-10-30
Replaces draft-appala-mile-xmpp-grid
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MILE                                                  N. Cam-Winget, Ed.
Internet-Draft                                                 S. Appala
Intended status: Standards Track                                 S. Pope
Expires: May 3, 2018                                       Cisco Systems
                                                          P. Saint-Andre
                                                              Jabber.org
                                                        October 30, 2017

              Using XMPP for Security Information Exchange
                      draft-ietf-mile-xmpp-grid-04

Abstract

   This document describes how to use the Extensible Messaging and
   Presence Protocol (XMPP) as a transport for collecting and
   distributing security-relevant information between network-connected
   devices.  To illustrate the principles involved, this document
   describes such a usage for the Incident Object Description Exchange
   Format (IODEF).

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
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   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 May 3, 2018.

Copyright Notice

   Copyright (c) 2017 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

Cam-Winget, et al.         Expires May 3, 2018                  [Page 1]
Internet-Draft                  XMPP Grid                   October 2017

   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.  Architecture  . . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Workflow  . . . . . . . . . . . . . . . . . . . . . . . . . .   6
   5.  Service Discovery . . . . . . . . . . . . . . . . . . . . . .   6
   6.  IODEF Example . . . . . . . . . . . . . . . . . . . . . . . .   7
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .   9
     8.1.  Trust Model . . . . . . . . . . . . . . . . . . . . . . .   9
       8.1.1.  Network . . . . . . . . . . . . . . . . . . . . . . .  10
       8.1.2.  XMPP-Grid Platforms . . . . . . . . . . . . . . . . .  10
       8.1.3.  XMPP-Grid Controller  . . . . . . . . . . . . . . . .  10
       8.1.4.  Certification Authority . . . . . . . . . . . . . . .  10
     8.2.  Threat Model  . . . . . . . . . . . . . . . . . . . . . .  11
       8.2.1.  Network Attacks . . . . . . . . . . . . . . . . . . .  11
       8.2.2.  XMPP-Grid Platforms . . . . . . . . . . . . . . . . .  12
       8.2.3.  XMPP-Grid Controllers . . . . . . . . . . . . . . . .  13
       8.2.4.  Certification Authority . . . . . . . . . . . . . . .  14
     8.3.  Countermeasures . . . . . . . . . . . . . . . . . . . . .  15
       8.3.1.  Securing the XMPP-Grid Transport Protocol . . . . . .  15
       8.3.2.  Securing XMPP-Grid Platforms  . . . . . . . . . . . .  16
       8.3.3.  Securing XMPP-Grid Controllers  . . . . . . . . . . .  16
       8.3.4.  Limit on search result size . . . . . . . . . . . . .  17
       8.3.5.  Cryptographically random session-id and
               authentication checks for ARC . . . . . . . . . . . .  17
       8.3.6.  Securing the Certification Authority  . . . . . . . .  18
     8.4.  Summary . . . . . . . . . . . . . . . . . . . . . . . . .  18
   9.  Privacy Considerations  . . . . . . . . . . . . . . . . . . .  19
   10. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  19
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  19
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  19
     11.2.  Informative References . . . . . . . . . . . . . . . . .  20
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