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draft-ietf-radext-ieee802ext
Network Working Group Bernard Aboba
INTERNET-DRAFT Microsoft Corporation
Category: Proposed Standard Jouni Malinen
Expires: January 25, 2008 Devicescape Software
30 July 2007
RADIUS Attributes for IEEE 802 Networks
draft-aboba-radext-wlan-06.txt
By submitting this Internet-Draft, each author represents that any
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This Internet-Draft will expire on January 25, 2008.
Copyright Notice
Copyright (C) The IETF Trust (2007). All Rights Reserved.
Abstract
RFC 3580 provides guidelines for the use of the Remote Authentication
Dialin User Service (RADIUS) within IEEE 802 local area networks
(LANs). This document proposes additional attributes for use within
IEEE 802 networks. The attributes defined in this document are
usable both within RADIUS and Diameter.
Aboba & Malinen Proposed Standard [Page 1]
INTERNET-DRAFT RADIUS Attributes for IEEE 802 30 July 2007
Table of Contents
1. Introduction .......................................... 3
1.1 Terminology ..................................... 3
1.2 Requirements Language ........................... 4
2. RADIUS attributes ..................................... 4
2.1 Allowed-Called-Station-Id ....................... 4
2.2 EAP-Key-Name .................................... 5
2.3 EAP-Peer-Id ..................................... 6
2.4 EAP-Server-Id ................................... 7
2.5 Mobility-Domain-Id .............................. 8
2.6 Preauth-Timeout ................................. 9
2.7 EAP-Lower-Layer ................................. 9
3. Table of attributes ................................... 10
4. Diameter Considerations ............................... 11
5. IANA Considerations ................................... 12
6. Security Considerations ............................... 13
7. References ............................................ 13
7.1 Normative References .................................. 13
7.2 Informative References ................................ 14
ACKNOWLEDGMENTS .............................................. 15
AUTHORS' ADDRESSES ........................................... 15
Full Copyright Statement ..................................... 16
Intellectual Property ........................................ 16
Aboba & Malinen Proposed Standard [Page 2]
INTERNET-DRAFT RADIUS Attributes for IEEE 802 30 July 2007
1. Introduction
In situations where it is desirable to centrally manage
authentication, authorization and accounting (AAA) for IEEE 802
[IEEE-802] networks, deployment of a backend authentication and
accounting server is desirable. In such situations, it is expected
that IEEE 802 authenticators will function as AAA clients.
RFC 3580 [RFC3580] defined guidelines for the use of the Remote
Authentication Dialin User Service (RADIUS) within networks utilizing
IEEE 802 local area networks. This document defines additional
attributes suitable for usage by IEEE 802 authenticators acting as
AAA clients. The attributes defined in this document are usable both
within RADIUS and Diameter.
1.1. Terminology
This document uses the following terms:
Access Point (AP)
A Station that provides access to the distribution
services via the wireless medium for associated Stations.
Association The service used to establish Access Point/Station
mapping and enable Station invocation of the distribution
system services.
authenticator An authenticator is an entity that require authentication
from the supplicant. The authenticator may be connected
to the supplicant at the other end of a point-to-point
LAN segment or wireless link.
authentication server
An authentication server is an entity that provides an
authentication service to an authenticator. This service
verifies from the credentials provided by the supplicant,
the claim of identity made by the supplicant.
Station (STA) Any device that contains an IEEE 802.11 conformant medium
access control (MAC) and physical layer (PHY) interface
to the wireless medium (WM).
Supplicant A supplicant is an entity that is being authenticated by
an authenticator. The supplicant may be connected to the
authenticator at one end of a point-to-point LAN segment
or 802.11 wireless link.
Aboba & Malinen Proposed Standard [Page 3]
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1.2. Requirements Language
In this document, several words are used to signify the requirements
of the specification. The key words "MUST", "MUST NOT", "REQUIRED",
"SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY",
and "OPTIONAL" in this document are to be interpreted as described in
[RFC2119].
2. RADIUS attributes
2.1. Allowed-Called-Station-Id
Description
The Allowed-Called-Station-Id Attribute allows the RADIUS server
to specify which Called-Station-Ids and networks the user is
allowed to access. One or more Allowed-Called-Station-Id
attributes MAY be included in an Access-Accept or CoA-Request
packet. A summary of the Allowed-Called-Station-Id Attribute
format is shown below. The fields are transmitted from left to
right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | String...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Code
TBD
Length
>=3
String
The String field is one or more octets, containing the layer 2
endpoint that the user's call is allowed to be terminated on, as
specified in the definition of Called-Station-Id in [RFC2865]
Section 5.30 and [RFC3580] Section 3.20. In the case of IEEE 802,
the Allowed-Called-Station-Id Attribute is used to store the
Medium Access Control (MAC) address in ASCII format (upper case
only), with octet values separated by a "-". Example:
"00-10-A4-23-19-C0". Where restrictions on both the network and
authenticator MAC address usage are intended, the network name
MUST be appended to the authenticator MAC address, separated from
Aboba & Malinen Proposed Standard [Page 4]
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the MAC address with a ":". Example "00-10-A4-23-19-C0:AP1".
Where no MAC address restriction is intended, the MAC address
field MUST be omitted, but the ":" and network name fields MUST be
included. Example ":AP1". Within IEEE 802.11 [IEEE-802.11], the
SSID constitutes the network name; within IEEE 802.1af
[IEEE-802.1af], the Network Identifier (NID) constitutes the
network name.
If the user attempts to connect to the NAS from a Called-Station-
Id that does not match one of the Allowed-Called-Station-Id
attributes, then the user MUST NOT be permitted to access the
network.
The Allowed-Called-Station-Id Attribute is useful in the following
situations where it can be desirable for the RADIUS server to
restrict usage of key cache entries:
[1] Where users can connect to a NAS without an Access-Request being
sent by the NAS to the RADIUS server (e.g. where key caching is
supported within IEEE 802.11 or IEEE 802.1af).
[2] Where pre-authentication may be supported (e.g. IEEE 802.1X
pre-authentication). In this situation, the network name
typically will not be included in a Called-Station-Id Attribute
within the Access-Request, so that the RADIUS server will not be
able to make a decision whether to allow access to a particular
network.
2.2. EAP-Key-Name
Description
The EAP-Key-Name Attribute, defined in [RFC4072], contains the EAP
Session-Id, as described in [KEYFRAME]. Exactly how this
Attribute is used depends on the link layer in question.
It should be noted that not all link layers use this name and
existing EAP method implementations do not generate it. An EAP-
Key-Name Attribute MAY be included within Access-Request, Access-
Accept and CoA-Request packets. A summary of the EAP-Key-Name
Attribute format is shown below. The fields are transmitted from
left to right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | String...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Aboba & Malinen Proposed Standard [Page 5]
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Code
102 [RFC4072]
Length
>=2
String
The String field, when present, is one or more octets, containing
the EAP Session-Id, as defined in [KEYFRAME]. Since the NAS
operates as a pass-through in EAP, it cannot know the EAP Session-
Id before receiving it from the RADIUS server. As a result, an
EAP-Key-Name Attribute sent in an Access-Request MUST NOT contain
any data. A RADIUS server receiving an Access-Request with an
EAP-Key-Name Attribute containing data MUST silently discard the
Attribute. In addition, the RADIUS server SHOULD only include
this Attribute in an Access-Accept or CoA-Request if an EAP-Key-
Name Attribute was present in the Access-Request.
2.3. EAP-Peer-Id
Description
The EAP-Peer-Id Attribute contains a Peer-Id generated by the EAP
method. Exactly how this name is used depends on the link layer
in question. See [KEYFRAME] for more discussion. The EAP-Peer-Id
Attribute MAY be included in Access-Request, Access-Accept and
Accounting-Request packets. More than one EAP-Peer-Id Attribute
MUST NOT be included in an Access-Request; one or more EAP-Peer-Id
attributes MAY be included in an Access-Accept.
It should be noted that not all link layers use this name, and
existing EAP method implementations do not generate it. Since the
NAS operates as a pass-through in EAP [RFC3748], it cannot know
the EAP-Peer-Id before receiving it from the RADIUS server. As a
result, an EAP-Peer-Id Attribute sent in an Access-Request MUST
NOT contain any data. A home RADIUS server receiving an Access-
Request an EAP-Peer-Id Attribute with non-empty data MUST silently
discard the Attribute. In addition, the home RADIUS server SHOULD
include one or more EAP-Peer-Id attributes in an Access-Accept
only if an empty EAP-Peer-Id Attribute was present in the Access-
Request. A summary of the EAP-Peer-Id Attribute format is shown
below. The fields are transmitted from left to right.
Aboba & Malinen Proposed Standard [Page 6]
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0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | String...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Code
TBD
Length
>=2
String
The String field, when present, is one or more octets containing a
EAP Peer-Id exported by the EAP method. For details, see
[KEYFRAME] Appendix A. A robust implementation SHOULD support the
field as undistinguished octets.
2.4. EAP-Server-Id
Description
The EAP-Server-Id Attribute contains a Server-Id generated by the
EAP method. Exactly how this name is used depends on the link
layer in question. See [KEYFRAME] for more discussion. The EAP-
Server-Id Attribute is only allowed in Access-Request, Access-
Accept, and Accounting-Request packets. More than one EAP-Server-
Id Attribute MUST NOT be included in an Access-Request; one or
more EAP-Server-Id attributes MAY be included in an Access-Accept.
It should be noted that not all link layers use this name, and
existing EAP method implementations do not generate it. Since the
NAS operates as a pass-through in EAP [RFC3748], it cannot know
the EAP-Server-Id before receiving it from the RADIUS server. As
a result, an EAP-Server-Id Attribute sent in an Access-Request
MUST NOT contain any data. A home RADIUS server receiving in an
Access-Request an EAP-Server-Id Attribute with non-empty data MUST
silently discard the Attribute. In addition, the home RADIUS
server SHOULD include this Attribute an Access-Accept only if an
empty EAP-Server-Id Attribute was present in the Access-Request.
A summary of the EAP-Server-Id Attribute format is shown below.
The fields are transmitted from left to right.
Aboba & Malinen Proposed Standard [Page 7]
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0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | String...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Code
TBD
Length
>=2
String
The String field, when present, is one or more octets, containing
a EAP Server-Id exported by the EAP method. For details, see
[KEYFRAME] Appendix A. A robust implementation SHOULD support the
field as undistinguished octets.
2.5. Mobility-Domain-Id
Description
A single Mobility-Domain-Id Attribute MAY be included in an
Access-Request or Accounting-Request, in order to enable the NAS
to provide the RADIUS server with the Mobility Domain Identifier,
defined in IEEE 802.11r [IEEE-802.11r]. A summary of the
Mobility-Domain-Id Attribute format is shown below. The fields
are transmitted from left to right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | String...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Code
TBD
Length
>=3
String
Aboba & Malinen Proposed Standard [Page 8]
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The String field contains one or more octets, encoding a single
Mobility Domain Identifier as defined in IEEE 802.11r
[IEEE-802.11r]. UTF-8 encoded 10646 characters are recommended,
but a robust implementation SHOULD support the field as
undistinguished octets.
2.6. Preauth-Timeout
Description
This Attribute sets the maximum number of seconds which pre-
authentication state is kept by the NAS. This Attribute MAY be
sent by the server to the NAS in an Access-Accept. Where both
Session-Timeout and Preauth-Timeout attributes are present in an
Access-Accept, the Session-Timeout Attribute refers only to the
maximum session time after the supplicant associates with the
authenticator and is enabled to send data frames through it. A
summary of the Preauth-Timeout Attribute format is shown below.
The fields are transmitted from left to right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Value
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Value (cont) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Code
TBD
Length
6
Value
The field is 4 octets, containing a 32-bit unsigned integer with
the maximum number of seconds that pre-authentication state should
be retained by the NAS.
2.7. EAP-Lower-Layer
Description
This Attribute indicates the lower layer over which EAP is
transported. This Attribute MAY be sent by the NAS to the RADIUS
Aboba & Malinen Proposed Standard [Page 9]
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server in an Access-Request or an Accounting-Request packet. A
summary of the EAP-Lower-Layer Attribute format is shown below.
The fields are transmitted from left to right.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length | Value
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Value (cont) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Code
TBD
Length
6
Value
The field is 4 octets, containing the following values:
1 - Wired IEEE 802.1X Version 1 (2001)
2 - Wired IEEE 802.1X Version 2 (2004) [IEEE-802.1X]
3 - WPA
4 - WPA2 (no pre-authentication)
5 - WPA2, IEEE 802.1X pre-authentication
6 - IEEE 802.11r
7 - IEEE 802.11s
8 - IEEE 802.1af
9 - IEEE 802.16e
10 - IKEv2
11 - PPP
12 - PANA (no pre-authentication)
3. Table of attributes
The following table provides a guide to which attributes may be found
in which kinds of packets, and in what quantity.
Access- Access- Access- Access-
Request Accept Reject Challenge # Attribute
0 0+ 0 0 TBD Allowed-Called-Station-Id
0-1 0-1 0 0 102 EAP-Key-Name
0-1 0+ 0 0 TBD EAP-Peer-Id
0-1 0+ 0 0 TBD EAP-Server-Id
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0-1 0 0 0 TBD Mobility-Domain-Id
0-1 0-1 0 0 TBD Preauth-Timeout
0-1 0 0 0 TBD EAP-Lower-Layer
CoA- Acct-
Req Req # Attribute
0+ 0 TBD Allowed-Called-Station-Id
0-1 0 102 EAP-Key-Name
0 0+ TBD EAP-Peer-Id
0 0+ TBD EAP-Server-Id
0 0-1 TBD Mobility-Domain-Id
0 0 TBD Preauth-Timeout
0 0-1 TBD EAP-Lower-Layer
The following table defines the meaning of the above table entries.
0 This Attribute MUST NOT be present in packet.
0+ Zero or more instances of this Attribute MAY be
present in the packet.
0-1 Zero or one instance of this Attribute MAY be
present in the packet.
4. Diameter Considerations
The EAP-Key-Name Attribute is already defined as a RADIUS Attribute
within Diameter EAP [RFC4072]. When used in Diameter, the other
attributes defined in this specification can be used as Diameter AVPs
from the Code space 1-255 (RADIUS Attribute compatibility space). No
additional Diameter Code values are therefore allocated. The data
types and flag rules for the attributes are as follows:
+---------------------+
| AVP Flag rules |
|----+-----+----+-----|----+
| | |SHLD| MUST| |
Attribute Name Value Type |MUST| MAY | NOT| NOT|Encr|
-------------------------------|----+-----+----+-----|----|
Allowed-Called- | | | | | |
Station-Id UTF8String | M | P | | V | Y |
EAP-Peer-Id UTF8String | M | P | | V | Y |
EAP-Server-Id UTF8String | M | P | | V | Y |
Mobility-Domain-Id OctetString| | P,M | | V | Y |
Preauth-Timeout Unsigned32 | M | P | | V | Y |
EAP-Lower-Layer Unsigned32 | M | P | | V | Y |
-------------------------------|----+-----+----+-----|----|
The attributes in this specification have no special translation
requirements for Diameter to RADIUS or RADIUS to Diameter gateways;
Aboba & Malinen Proposed Standard [Page 11]
INTERNET-DRAFT RADIUS Attributes for IEEE 802 30 July 2007
they are copied as is, except for changes relating to headers,
alignment, and padding. See also [RFC3588] Section 4.1 and [RFC4005]
Section 9.
What this specification says about the applicability of the
attributes for RADIUS Access-Request packets applies in Diameter to
AA-Request [RFC4005] or Diameter-EAP-Request [RFC4072]. What is said
about Access-Challenge applies in Diameter to AA-Answer [RFC4005] or
Diameter-EAP-Answer [RFC4072] with Result-Code AVP set to
DIAMETER_MULTI_ROUND_AUTH.
What is said about Access-Accept applies in Diameter to AA-Answer or
Diameter-EAP-Answer messages that indicate success. Similarly, what
is said about RADIUS Access-Reject packets applies in Diameter to AA-
Answer or Diameter-EAP-Answer messages that indicate failure.
What is said about COA-Request applies in Diameter to Re-Auth-Request
[RFC4005]. What is said about Accounting-Request applies to Diameter
Accounting- Request [RFC4005] as well.
5. IANA Considerations
This document uses the RADIUS [RFC2865] namespace, see
<http://www.iana.org/assignments/radius-types>. This specification
requires assignment of a RADIUS attribute types for the following
attributes:
Attribute Type
========= ====
Allowed-Called-Station-Id TBD
EAP-Peer-Id TBD
EAP-Server-Id TBD
Mobility-Domain-Id TBD
Preauth-Timeout TBD
EAP-Lower-Layer TBD
This specification allocates the following decimal values for the
EAP-Lower-Layer Attribute:
1 - Wired IEEE 802.1X Version 1 (2001)
2 - Wired IEEE 802.1X Version 2 (2004)
3 - WPA
4 - WPA2 (no pre-authentication)
5 - WPA2, IEEE 802.1X pre-authentication
6 - IEEE 802.11r
7 - IEEE 802.11s
8 - IEEE 802.1af
9 - IEEE 802.16e
Aboba & Malinen Proposed Standard [Page 12]
INTERNET-DRAFT RADIUS Attributes for IEEE 802 30 July 2007
10 - IKEv2
11 - PPP
12 - PANA (no pre-authentication)
Additional values are allocated as described in [RFC3575] Section 2.1
(Designated Expert).
6. Security Considerations
Since this document describes the use of RADIUS for purposes of
authentication, authorization, and accounting in IEEE 802 networks,
it is vulnerable to all of the threats that are present in other
RADIUS applications. For a discussion of these threats, see
[RFC2607], [RFC2865], [RFC3162], [RFC3576], [RFC3579], and [RFC3580].
7. References
7.1. Normative references
[IEEE-802] IEEE Standards for Local and Metropolitan Area Networks:
Overview and Architecture, ANSI/IEEE Std 802, 1990.
[IEEE-802.11] Information technology - Telecommunications and
information exchange between systems - Local and
metropolitan area networks - Specific Requirements Part
11: Wireless LAN Medium Access Control (MAC) and
Physical Layer (PHY) Specifications, IEEE Std.
802.11-2007, 2007.
[IEEE-802.11r] Draft Amendment to Standard for Information technology -
Telecommunications and information exchange between
systems - Local and metropolitan area networks - Specific
Requirements Part 11: Wireless LAN Medium Access Control
(MAC) and Physical Layer (PHY) Specifications: Amendment
2: Fast BSS Transition, IEEE P802.11r/D7.0, July 2007.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", RFC 2119, March, 1997.
[RFC2865] Rigney, C., Rubens, A., Simpson, W. and S. Willens,
"Remote Authentication Dial In User Service (RADIUS)",
RFC 2865, June 2000.
[RFC3575] Aboba, B., "IANA Considerations for RADIUS", RFC 3575,
July 2003.
[RFC3588] Calhoun, P., Loughney, J., Guttman, E., Zorn, G., and J.
Arkko, "Diameter Base Protocol", RFC 3588, September
Aboba & Malinen Proposed Standard [Page 13]
INTERNET-DRAFT RADIUS Attributes for IEEE 802 30 July 2007
2003.
[RFC4072] Eronen, P., Hiller, T. and G. Zorn, "Diameter Extensible
Authentication Protocol (EAP) Application", RFC 4072,
August 2005.
[KEYFRAME] Aboba, B., Simon, D., Eronen, P. and H. Levkowetz, "EAP
Key Management Framework", draft-ietf-eap-keying-19.txt,
August 2007.
7.2. Informative references
[IEEE-802.1af] Draft Standard for Local and Metropolitan Area Networks -
Port-Based Network Access Control - Amendment 1:
Authenticated Key Agreement for Media Access Control
(MAC) Security, D1.6, July 1, 2007.
[IEEE-802.1X] IEEE Standards for Local and Metropolitan Area Networks:
Port based Network Access Control, IEEE Std 802.1X-2004,
December 2004.
[RFC2607] Aboba, B. and J. Vollbrecht, "Proxy Chaining and Policy
Implementation in Roaming", RFC 2607, June 1999.
[RFC3162] Aboba, B., Zorn, G. and D. Mitton, "RADIUS and IPv6", RFC
3162, August 2001.
[RFC3575] Aboba, B., "IANA Considerations for RADIUS", RFC 3575,
July 2003.
[RFC3576] Chiba, M., Dommety, G., Eklund, M., Mitton, D. and B.
Aboba, "Dynamic Authorization Extensions to Remote
Authentication Dial In User Service (RADIUS)", RFC 3576,
July 2003.
[RFC3579] Aboba, B. and P. Calhoun, "RADIUS Support for Extensible
Authentication Protocol (EAP)", RFC 3579, September 2003.
[RFC3580] Congdon, P., Aboba, B., Smith, A., Zorn, G. and J. Roese,
"IEEE 802.1X Remote Authentication Dial In User Service
(RADIUS) Usage Guidelines", RFC 3580, September 2003.
[RFC3748] Aboba, B., Blunk, L., Vollbrecht, J., Carlson, J. and H.
Levkowetz, "Extensible Authentication Protocol (EAP)",
RFC 3748, June 2004.
[RFC4005] Calhoun, P., Zorn, G., Spence, D., and D. Mitton,
"Diameter Network Access Server Application", RFC 4005,
Aboba & Malinen Proposed Standard [Page 14]
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August 2005.
Acknowledgments
The authors would like to acknowledge Dorothy Stanley of Aruba
Networks, Yoshihiro Ohba of Toshiba, Joe Salowey of Cisco Systems,
and the contributors to the IEEE 802.11 review of this document, for
useful discussions.
Authors' Addresses
Bernard Aboba
Microsoft Corporation
One Microsoft Way
Redmond, WA 98052
EMail: bernarda@microsoft.com
Phone: +1 425 706 6605
Fax: +1 425 936 7329
Jouni Malinen
Devicescape Software, Inc.
900 Cherry Avenue
San Bruno, CA 94066
EMail: jkm@devicescape.com
Phone: +1 650 829 2600
Fax: +1 650 829 2601
Aboba & Malinen Proposed Standard [Page 15]
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Aboba & Malinen Proposed Standard [Page 16]
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Open issues
Open issues relating to this specification are tracked on the
following web site:
http://www.drizzle.com/~aboba/RADEXT/
Aboba & Malinen Proposed Standard [Page 17]
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