Transport Layer Security (TLS) Extensions: Extension Definitions
RFC 6066
| Document | Type |
RFC - Proposed Standard
(January 2011; Errata)
Obsoletes RFC 4366
|
|
|---|---|---|---|
| Last updated | 2015-10-14 | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Stream | WG state | (None) | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 6066 (Proposed Standard) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | Sean Turner | ||
| IESG note | Document shepherd is Joe Salowey <jsalowey@cisco.com> | ||
| Send notices to | (None) | ||
Internet Engineering Task Force (IETF) D. Eastlake 3rd
Request for Comments: 6066 Huawei
Obsoletes: 4366 January 2011
Category: Standards Track
ISSN: 2070-1721
Transport Layer Security (TLS) Extensions: Extension Definitions
Abstract
This document provides specifications for existing TLS extensions.
It is a companion document for RFC 5246, "The Transport Layer
Security (TLS) Protocol Version 1.2". The extensions specified are
server_name, max_fragment_length, client_certificate_url,
trusted_ca_keys, truncated_hmac, and status_request.
Status of This Memo
This is an Internet Standards Track document.
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). Further information on
Internet Standards is available in 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/rfc6066.
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.
Eastlake Standards Track [Page 1]
RFC 6066 TLS Extension Definitions January 2011
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.
Table of Contents
1. Introduction ....................................................3
1.1. Specific Extensions Covered ................................3
1.2. Conventions Used in This Document ..........................5
2. Extensions to the Handshake Protocol ............................5
3. Server Name Indication ..........................................6
4. Maximum Fragment Length Negotiation .............................8
5. Client Certificate URLs .........................................9
6. Trusted CA Indication ..........................................12
7. Truncated HMAC .................................................13
8. Certificate Status Request .....................................14
9. Error Alerts ...................................................16
10. IANA Considerations ...........................................17
10.1. pkipath MIME Type Registration ...........................17
10.2. Reference for TLS Alerts, TLS HandshakeTypes, and
ExtensionTypes ...........................................19
11. Security Considerations .......................................19
11.1. Security Considerations for server_name ..................19
11.2. Security Considerations for max_fragment_length ..........20
11.3. Security Considerations for client_certificate_url .......20
11.4. Security Considerations for trusted_ca_keys ..............21
11.5. Security Considerations for truncated_hmac ...............21
11.6. Security Considerations for status_request ...............22
12. Normative References ..........................................22
13. Informative References ........................................23
Appendix A. Changes from RFC 4366 .................................24
Appendix B. Acknowledgements ......................................25
Eastlake Standards Track [Page 2]
RFC 6066 TLS Extension Definitions January 2011
Show full document text