HTTP Authentication-Info and Proxy-Authentication-Info Response Header Fields
RFC 7615

Document Type RFC - Proposed Standard (September 2015; No errata)
Obsoletes RFC 2617
Last updated 2015-10-14
Replaces draft-reschke-httpauth-auth-info
Stream IETF
Formats plain text pdf html bibtex
Stream WG state Submitted to IESG for Publication Sep 2015
Document shepherd Mark Nottingham
Shepherd write-up Show (last changed 2015-03-12)
IESG IESG state RFC 7615 (Proposed Standard)
Consensus Boilerplate Yes
Telechat date
Responsible AD Barry Leiba
Send notices to (None)
IANA IANA review state IANA OK - Actions Needed
IANA action state RFC-Ed-Ack
Internet Engineering Task Force (IETF)                        J. Reschke
Request for Comments: 7615                                    greenbytes
Obsoletes: 2617                                           September 2015
Category: Standards Track
ISSN: 2070-1721

         HTTP Authentication-Info and Proxy-Authentication-Info
                         Response Header Fields

Abstract

   This specification defines the "Authentication-Info" and "Proxy-
   Authentication-Info" response header fields for use in Hypertext
   Transfer Protocol (HTTP) authentication schemes that need to return
   information once the client's authentication credentials have been
   accepted.

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/rfc7615.

Reschke                      Standards Track                    [Page 1]
RFC 7615                HTTP Authentication-Info          September 2015

Copyright Notice

   Copyright (c) 2015 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
   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
   2.  Notational Conventions  . . . . . . . . . . . . . . . . . . .   3
   3.  The Authentication-Info Response Header Field . . . . . . . .   3
     3.1.  Parameter Value Format  . . . . . . . . . . . . . . . . .   4
   4.  The Proxy-Authentication-Info Response Header Field . . . . .   4
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   4
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .   5
     7.2.  Informative References  . . . . . . . . . . . . . . . . .   5
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .   6
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   6

Reschke                      Standards Track                    [Page 2]
RFC 7615                HTTP Authentication-Info          September 2015

1.  Introduction

   This specification defines the "Authentication-Info" and "Proxy-
   Authentication-Info" response header fields for use in HTTP
   authentication schemes ([RFC7235]) that need to return information
   once the client's authentication credentials have been accepted.

   Both were previously defined in Section 3 of [RFC2617], defining the
   HTTP "Digest" authentication scheme.  This document generalizes the
   description for use not only in "Digest" ([RFC7616]), but also in
   other future schemes that might have the same requirements for
   carrying additional information during authentication.

2.  Notational Conventions

   This specification uses the Augmented Backus-Naur Form (ABNF)
   notation of [RFC5234] with a list extension, defined in Section 7 of
   [RFC7230], that allows for compact definition of comma-separated
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