RADIUS Extensions
RFC 2869
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RFC - Informational
(June 2000; No errata)
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Last updated |
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2013-03-02
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IETF
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No shepherd assigned
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IESG state |
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RFC 2869 (Informational)
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Consensus Boilerplate |
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Unknown
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Network Working Group C. Rigney
Request for Comments: 2869 Livingston
Category: Informational W. Willats
Cyno Technologies
P. Calhoun
Sun Microsystems
June 2000
RADIUS Extensions
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2000). All Rights Reserved.
Abstract
This document describes additional attributes for carrying
authentication, authorization and accounting information between a
Network Access Server (NAS) and a shared Accounting Server using the
Remote Authentication Dial In User Service (RADIUS) protocol
described in RFC 2865 [1] and RFC 2866 [2].
Table of Contents
1. Introduction .......................................... 2
1.1 Specification of Requirements ................... 3
1.2 Terminology ..................................... 3
2. Operation ............................................. 4
2.1 RADIUS support for Interim Accounting Updates.... 4
2.2 RADIUS support for Apple Remote Access
Protocol ........................................ 5
2.3 RADIUS Support for Extensible Authentication
Protocol (EAP) .................................. 11
2.3.1 Protocol Overview ............................... 11
2.3.2 Retransmission .................................. 13
2.3.3 Fragmentation ................................... 14
2.3.4 Examples ........................................ 14
2.3.5 Alternative uses ................................ 19
3. Packet Format ......................................... 19
4. Packet Types .......................................... 19
5. Attributes ............................................ 20
Rigney, et al. Informational [Page 1]
RFC 2869 RADIUS Extensions June 2000
5.1 Acct-Input-Gigawords ............................ 22
5.2 Acct-Output-Gigawords ........................... 23
5.3 Event-Timestamp ................................. 23
5.4 ARAP-Password ................................... 24
5.5 ARAP-Features ................................... 25
5.6 ARAP-Zone-Access ................................ 26
5.7 ARAP-Security ................................... 27
5.8 ARAP-Security-Data .............................. 28
5.9 Password-Retry .................................. 28
5.10 Prompt .......................................... 29
5.11 Connect-Info .................................... 30
5.12 Configuration-Token ............................. 31
5.13 EAP-Message ..................................... 32
5.14 Message-Authenticator ........................... 33
5.15 ARAP-Challenge-Response ......................... 35
5.16 Acct-Interim-Interval ........................... 36
5.17 NAS-Port-Id ..................................... 37
5.18 Framed-Pool ..................................... 37
5.19 Table of Attributes ............................. 38
6. IANA Considerations ................................... 39
7. Security Considerations ............................... 39
7.1 Message-Authenticator Security .................. 39
7.2 EAP Security .................................... 39
7.2.1 Separation of EAP server and PPP authenticator .. 40
7.2.2 Connection hijacking ............................ 41
7.2.3 Man in the middle attacks ....................... 41
7.2.4 Multiple databases .............................. 41
7.2.5 Negotiation attacks ............................. 42
8. References ............................................ 43
9. Acknowledgements ...................................... 44
10. Chair's Address ....................................... 44
11. Authors' Addresses .................................... 45
12. Full Copyright Statement .............................. 47
1. Introduction
RFC 2865 [1] describes the RADIUS Protocol as it is implemented and
deployed today, and RFC 2866 [2] describes how Accounting can be
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