RADIUS Extensions Working Group S. Winter
Internet-Draft RESTENA
Intended status: Experimental M. McCauley
Expires: August 17, 2012 OSC
S. Venaas
K. Wierenga
Cisco
February 14, 2012
Transport Layer Security (TLS) encryption for RADIUS
draft-ietf-radext-radsec-12
Abstract
This document specifies a transport profile for RADIUS using
Transport Layer Security (TLS) over TCP as the transport protocol.
This enables dynamic trust relationships between RADIUS servers.
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Internet-Draft RADIUS over TLS February 2012
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Requirements Language . . . . . . . . . . . . . . . . . . 3
1.2. Terminology . . . . . . . . . . . . . . . . . . . . . . . 4
1.3. Document Status . . . . . . . . . . . . . . . . . . . . . 4
2. Normative: Transport Layer Security for RADIUS/TCP . . . . . . 5
2.1. TCP port and packet types . . . . . . . . . . . . . . . . 5
2.2. TLS negotiation . . . . . . . . . . . . . . . . . . . . . 5
2.3. Connection Setup . . . . . . . . . . . . . . . . . . . . . 5
2.4. Connecting Client Identity . . . . . . . . . . . . . . . . 7
2.5. RADIUS Datagrams . . . . . . . . . . . . . . . . . . . . . 8
3. Informative: Design Decisions . . . . . . . . . . . . . . . . 10
3.1. Implications of Dynamic Peer Discovery . . . . . . . . . . 10
3.2. X.509 Certificate Considerations . . . . . . . . . . . . . 10
3.3. Ciphersuites and Compression Negotiation Considerations . 11
3.4. RADIUS Datagram Considerations . . . . . . . . . . . . . . 11
4. Compatibility with other RADIUS transports . . . . . . . . . . 12
5. Diameter Compatibility . . . . . . . . . . . . . . . . . . . . 13
6. Security Considerations . . . . . . . . . . . . . . . . . . . 13
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 14
8. Notes to the RFC Editor . . . . . . . . . . . . . . . . . . . 15
9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 15
10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
10.1. Normative References . . . . . . . . . . . . . . . . . . . 15