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Anonymity Profiles for DHCP Clients (RFC7844) Disclosure Number: IPCOM000246721D
Original Publication Date: 2016-May-01
Included in the Prior Art Database: 2016-Jun-29
Document File: 52 page(s) / 62K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

C. Huitema: AUTHOR [+2]


There have been reports of systems that would monitor the wireless connections of passengers at Canadian airports [CNBC]. We can assume that these are either fragments or trial runs of a wider system that would attempt to monitor Internet users as they roam through wireless access points and other temporary network attachments. We can also assume that privacy-conscious users will attempt to evade this monitoring -- for example, by ensuring that low-level identifiers such as link-layer addresses are "randomized", so that the devices do not broadcast the same unique identifier in every location that they visit.

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Internet Engineering Task Force (IETF)                        C. Huitema Request for Comments: 7844                                     Microsoft Category: Standards Track                                   T. Mrugalski ISSN: 2070-1721                                                      ISC                                                              S. Krishnan                                                                 Ericsson                                                                 May 2016

                   Anonymity Profiles for DHCP Clients


   Some DHCP options carry unique identifiers.  These identifiers can    enable device tracking even if the device administrator takes care of    randomizing other potential identifications like link-layer addresses    or IPv6 addresses.  The anonymity profiles are designed for clients    that wish to remain anonymous to the visited network.  The profiles    provide guidelines on the composition of DHCP or DHCPv6 messages,    designed to minimize disclosure of identifying information.

Status of This Memo

   This is an Internet Standards Track document.

   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).  Further information on    Internet Standards is available in 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

Huitema, et al.              Standards Track                    [Page 1]
 RFC 7844                 DHCP Anonymity Profiles                May 2016

 Copyright Notice

   Copyright (c) 2016 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    ( 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.

Huitema, e...