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Hypertext Transfer Protocol (HTTP/1.1): Authentication
RFC 7235

Document type: RFC - Proposed Standard (June 2014; No errata)
Obsoletes RFC 2616
Updates RFC 2617
Document stream: IETF
Last updated: 2014-06-06
Other versions: plain text, pdf, html

IETF State: Submitted to IESG for Publication Sep 2013
Consensus: Yes
Document shepherd: Mark Nottingham
Shepherd Write-Up: Last changed 2013-10-07

IESG State: RFC 7235 (Proposed Standard)
IANA Action State: RFC-Ed-Ack
Responsible AD: Barry Leiba
Send notices to: httpbis-chairs@tools.ietf.org, draft-ietf-httpbis-p7-auth@tools.ietf.org

Internet Engineering Task Force (IETF)                  R. Fielding, Ed.
Request for Comments: 7235                                         Adobe
Obsoletes: 2616                                          J. Reschke, Ed.
Updates: 2617                                                 greenbytes
Category: Standards Track                                      June 2014
ISSN: 2070-1721

         Hypertext Transfer Protocol (HTTP/1.1): Authentication

Abstract

   The Hypertext Transfer Protocol (HTTP) is a stateless application-
   level protocol for distributed, collaborative, hypermedia information
   systems.  This document defines the HTTP Authentication framework.

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/rfc7235.

Copyright Notice

   Copyright (c) 2014 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.

   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

Fielding & Reschke           Standards Track                    [Page 1]
RFC 7235                 HTTP/1.1 Authentication               June 2014

   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. Conformance and Error Handling .............................3
      1.2. Syntax Notation ............................................3
   2. Access Authentication Framework .................................3
      2.1. Challenge and Response .....................................3
      2.2. Protection Space (Realm) ...................................5
   3. Status Code Definitions .........................................6
      3.1. 401 Unauthorized ...........................................6
      3.2. 407 Proxy Authentication Required ..........................6
   4. Header Field Definitions ........................................7
      4.1. WWW-Authenticate ...........................................7
      4.2. Authorization ..............................................8
      4.3. Proxy-Authenticate .........................................8
      4.4. Proxy-Authorization ........................................9
   5. IANA Considerations .............................................9
      5.1. Authentication Scheme Registry .............................9
           5.1.1. Procedure ...........................................9
           5.1.2. Considerations for New Authentication Schemes ......10
      5.2. Status Code Registration ..................................11
      5.3. Header Field Registration .................................11
   6. Security Considerations ........................................12
      6.1. Confidentiality of Credentials ............................12
      6.2. Authentication Credentials and Idle Clients ...............12
      6.3. Protection Spaces .........................................13
   7. Acknowledgments ................................................14
   8. References .....................................................14
      8.1. Normative References ......................................14
      8.2. Informative References ....................................14

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