Example Call Flows Using Session Initiation Protocol (SIP) Security Mechanisms
RFC 6216
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RFC - Informational
(April 2011; No errata)
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Last updated |
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2015-10-14
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Replaces |
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draft-ietf-sip-sec-flows
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IETF
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plain text
pdf
html
bibtex
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WG state
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(None)
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Document shepherd |
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No shepherd assigned
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| IESG |
IESG state |
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RFC 6216 (Informational)
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Consensus Boilerplate |
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Unknown
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Telechat date |
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Responsible AD |
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Gonzalo Camarillo
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Send notices to |
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(None)
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Internet Engineering Task Force (IETF) C. Jennings
Request for Comments: 6216 Cisco Systems
Category: Informational K. Ono
ISSN: 2070-1721 Columbia University
R. Sparks
B. Hibbard, Ed.
Tekelec
April 2011
Example Call Flows Using Session Initiation Protocol (SIP)
Security Mechanisms
Abstract
This document shows example call flows demonstrating the use of
Transport Layer Security (TLS), and Secure/Multipurpose Internet Mail
Extensions (S/MIME) in Session Initiation Protocol (SIP). It also
provides information that helps implementers build interoperable SIP
software. To help facilitate interoperability testing, it includes
certificates used in the example call flows and processes to create
certificates for testing.
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/rfc6216.
Jennings, et al. Informational [Page 1]
RFC 6216 SIP Secure Call Flows April 2011
Copyright Notice
Copyright (c) 2011 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. Certificates . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1. CA Certificates . . . . . . . . . . . . . . . . . . . . . 4
2.2. Host Certificates . . . . . . . . . . . . . . . . . . . . 8
2.3. User Certificates . . . . . . . . . . . . . . . . . . . . 10
3. Call Flow with Message Over TLS . . . . . . . . . . . . . . . 12
3.1. TLS with Server Authentication . . . . . . . . . . . . . . 12
3.2. MESSAGE Transaction Over TLS . . . . . . . . . . . . . . . 13
4. Call Flow with S/MIME-Secured Message . . . . . . . . . . . . 15
4.1. MESSAGE Request with Signed Body . . . . . . . . . . . . . 15
4.2. MESSAGE Request with Encrypted Body . . . . . . . . . . . 20
4.3. MESSAGE Request with Encrypted and Signed Body . . . . . . 22
5. Observed Interoperability Issues . . . . . . . . . . . . . . . 27
6. Additional Test Scenarios . . . . . . . . . . . . . . . . . . 29
7. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 31
8. Security Considerations . . . . . . . . . . . . . . . . . . . 32
9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9.1. Normative References . . . . . . . . . . . . . . . . . . . 32
9.2. Informative References . . . . . . . . . . . . . . . . . . 34
Appendix A. Making Test Certificates . . . . . . . . . . . . . . 35
A.1. makeCA script . . . . . . . . . . . . . . . . . . . . . . 36
A.2. makeCert script . . . . . . . . . . . . . . . . . . . . . 40
Appendix B. Certificates for Testing . . . . . . . . . . . . . . 42
B.1. Certificates Using EKU . . . . . . . . . . . . . . . . . . 42
B.2. Certificates NOT Using EKU . . . . . . . . . . . . . . . . 51
B.3. Certificate Chaining with a Non-Root CA . . . . . . . . . 58
Appendix C. Message Dumps . . . . . . . . . . . . . . . . . . . . 64
Jennings, et al. Informational [Page 2]
RFC 6216 SIP Secure Call Flows April 2011
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