The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP)
RFC 5630
| Document | Type |
RFC - Proposed Standard
(October 2009; No errata)
Was draft-ietf-sip-sips (sip WG)
|
|
|---|---|---|---|
| Last updated | 2015-10-14 | ||
| Replaces | draft-audet-sip-sips-guidelines | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Stream | WG state | (None) | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 5630 (Proposed Standard) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | Cullen Jennings | ||
| Send notices to | (None) | ||
Network Working Group F. Audet Request for Comments: 5630 Skype Labs Updates: 3261, 3608 October 2009 Category: Standards Track The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP) Abstract This document provides clarifications and guidelines concerning the use of the SIPS URI scheme in the Session Initiation Protocol (SIP). It also makes normative changes to SIP. Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright and License Notice Copyright (c) 2009 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 BSD License. This document may contain material from IETF Documents or IETF Contributions published or made publicly available before November 10, 2008. The person(s) controlling the copyright in some of this material may not have granted the IETF Trust the right to allow modifications of such material outside the IETF Standards Process. Without obtaining an adequate license from the person(s) controlling the copyright in such materials, this document may not be modified outside the IETF Standards Process, and derivative works of it may not be created outside the IETF Standards Process, except to format it for publication as an RFC or to translate it into languages other than English. Audet Standards Track [Page 1] RFC 5630 SIPS October 2009 Table of Contents 1. Introduction ....................................................3 2. Terminology .....................................................3 3. Background ......................................................3 3.1. Models for Using TLS in SIP ................................3 3.1.1. Server-Provided Certificate .........................3 3.1.2. Mutual Authentication ...............................4 3.1.3. Using TLS with SIP Instead of SIPS ..................4 3.1.4. Usage of the transport=tls URI Parameter and the TLS Via Parameter ...............................5 3.2. Detection of Hop-by-Hop Security ...........................6 3.3. The Problems with the Meaning of SIPS in RFC 3261 ..........7 4. Overview of Operations ..........................................9 4.1. Routing ...................................................11 5. Normative Requirements .........................................13 5.1. General User Agent Behavior ...............................13 5.1.1. UAC Behavior .......................................13 5.1.1.1. Registration ..............................14 5.1.1.2. SIPS in a Dialog ..........................15 5.1.1.3. Derived Dialogs and Transactions ..........15 5.1.1.4. GRUU ......................................16 5.1.2. UAS Behavior .......................................17 5.2. Registrar Behavior ........................................18 5.2.1. GRUU ...............................................18 5.3. Proxy Behavior ............................................18 5.4. Redirect Server Behavior ..................................20 6. Call Flows .....................................................21 6.1. Bob Registers His Contacts ................................22 6.2. Alice Calls Bob's SIPS AOR ................................27 6.3. Alice Calls Bob's SIP AOR Using TCP .......................36 6.4. Alice Calls Bob's SIP AOR Using TLS .......................50 7. Further Considerations .........................................51 8. Security Considerations ........................................52 9. IANA Considerations ............................................52Show full document text