Resource Records for EUI-48 and EUI-64 Addresses in the DNS
RFC 7043
| Document | Type |
RFC - Informational
(October 2013; No errata)
Was draft-jabley-dnsext-eui48-eui64-rrtypes (individual)
|
|
|---|---|---|---|
| Last updated | 2018-12-20 | ||
| Stream | IETF | ||
| Formats | plain text html pdf htmlized bibtex | ||
| Reviews | |||
| Stream | WG state | (None) | |
| Document shepherd | Joel Jaeggli | ||
| Shepherd write-up | Show (last changed 2013-05-20) | ||
| IESG | IESG state | RFC 7043 (Informational) | |
| Consensus Boilerplate | Yes | ||
| Telechat date | |||
| Responsible AD | Joel Jaeggli | ||
| IESG note |
Joe requested that I look at ad sponsoring this and it looks like a candidate for that path. Expert review of the request for code-point assignment has completed, and code-points have been assigned. |
||
| Send notices to | (None) | ||
| IANA | IANA review state | Version Changed - Review Needed | |
| IANA action state | RFC-Ed-Ack | ||
Internet Engineering Task Force (IETF) J. Abley
Request for Comments: 7043 Dyn, Inc.
Category: Informational October 2013
ISSN: 2070-1721
Resource Records for EUI-48 and EUI-64 Addresses in the DNS
Abstract
48-bit Extended Unique Identifier (EUI-48) and 64-bit Extended Unique
Identifier (EUI-64) are address formats specified by the IEEE for use
in various layer-2 networks, e.g., Ethernet.
This document describes two new DNS resource record types, EUI48 and
EUI64, for encoding Ethernet addresses in the DNS.
This document describes potentially severe privacy implications
resulting from indiscriminate publication of link-layer addresses in
the DNS. EUI-48 or EUI-64 addresses SHOULD NOT be published in the
public DNS. This document specifies an interoperable encoding of
these address types for use in private DNS namespaces, where the
privacy concerns can be constrained and mitigated.
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/rfc7043.
Abley Informational [Page 1]
RFC 7043 Resource Records for EUI-48, EUI-64 October 2013
Copyright Notice
Copyright (c) 2013 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.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. The EUI48 Resource Record . . . . . . . . . . . . . . . . . . 3
3.1. EUI48 RDATA Wire Format . . . . . . . . . . . . . . . . . 4
3.2. EUI48 RR Presentation Format . . . . . . . . . . . . . . 4
3.3. Example . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. The EUI64 Resource Record . . . . . . . . . . . . . . . . . . 4
4.1. EUI64 RDATA Wire Format . . . . . . . . . . . . . . . . . 4
4.2. EUI64 RR Presentation Format . . . . . . . . . . . . . . 5
4.3. Example . . . . . . . . . . . . . . . . . . . . . . . . . 5
5. Example Use Case: IP Address Tracking in DOCSIS Networks . . 5
6. DNS Protocol Considerations . . . . . . . . . . . . . . . . . 6
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 6
8. Security Considerations . . . . . . . . . . . . . . . . . . . 6
9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 7
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 7
10.1. Normative References . . . . . . . . . . . . . . . . . . 7
10.2. Informative References . . . . . . . . . . . . . . . . . 8
Abley Informational [Page 2]
RFC 7043 Resource Records for EUI-48, EUI-64 October 2013
1. Introduction
The Domain Name System (DNS) is described in [RFC1034] and [RFC1035].
This base specification defines many resource record (RR) types, and
subsequent specifications have defined others. Each defined RR type
provides a means of encoding particular data in the DNS.
48-bit Extended Unique Identifier (EUI-48) [EUI48] and 64-bit
Extended Unique Identifier (EUI-64) [EUI64] are address formats
specified by the IEEE for use in various layer-2 networks, e.g.,
Ethernet.
This document defines two new RR types, EUI48 and EUI64, for encoding
EUI-48 and EUI-64 addresses in the DNS.
There are potentially severe privacy implications resulting from the
indiscriminate publication of link-layer addresses in the DNS (see
Section 8). This document recommends that EUI-48 or EUI-64 addresses
SHOULD NOT be published in the public DNS. This document specifies
an interoperable encoding of these address types for use in private
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