An Extension for EAP-Only Authentication in IKEv2
RFC 5998
| Document | Type |
RFC - Proposed Standard
(September 2010; No errata)
Updates RFC 5996
|
|
|---|---|---|---|
| Last updated | 2015-10-14 | ||
| Replaces | draft-eronen-ipsec-ikev2-eap-auth | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Stream | WG state | (None) | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 5998 (Proposed Standard) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | Sean Turner | ||
| Send notices to | (None) | ||
Internet Engineering Task Force (IETF) P. Eronen
Request for Comments: 5998 Independent
Updates: 5996 H. Tschofenig
Category: Standards Track Nokia Siemens Networks
ISSN: 2070-1721 Y. Sheffer
Independent
September 2010
An Extension for EAP-Only Authentication in IKEv2
Abstract
IKEv2 specifies that Extensible Authentication Protocol (EAP)
authentication must be used together with responder authentication
based on public key signatures. This is necessary with old EAP
methods that provide only unilateral authentication using, e.g., one-
time passwords or token cards.
This document specifies how EAP methods that provide mutual
authentication and key agreement can be used to provide extensible
responder authentication for IKEv2 based on methods other than public
key signatures.
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
http://www.rfc-editor.org/info/rfc5998.
Eronen, et al. Standards Track [Page 1]
RFC 5998 Extension for EAP in IKEv2 September 2010
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1. Introduction
The Extensible Authentication Protocol (EAP), defined in [RFC3748],
is an authentication framework that supports multiple authentication
mechanisms. Today, EAP has been implemented at end hosts and routers
that connect via switched circuits or dial-up lines using PPP
[RFC1661], IEEE 802 wired switches [IEEE8021X], and IEEE 802.11
wireless access points [IEEE80211i].
One of the advantages of the EAP architecture is its flexibility.
EAP is used to select a specific authentication mechanism, typically
after the authenticator requests more information in order to
determine the specific authentication method to be used. Rather than
requiring the authenticator (e.g., wireless LAN access point) to be
updated to support each new authentication method, EAP permits the
use of a backend authentication server that may implement some or all
authentication methods.
Eronen, et al. Standards Track [Page 2]
RFC 5998 Extension for EAP in IKEv2 September 2010
IKEv2 ([RFC4306] and [RFC5996]) is a component of IPsec used for
performing mutual authentication and establishing and maintaining
Security Associations (SAs) for IPsec ESP and Authentication Header
(AH). In addition to supporting authentication using public key
signatures and shared secrets, IKEv2 also supports EAP
authentication.
IKEv2 provides EAP authentication since it was recognized that public
key signatures and shared secrets are not flexible enough to meet the
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