Ignore:
Timestamp:
01/01/11 17:23:02 (10 years ago)
Author:
julian.reschke@…
Message:

bump up document dates, update to latest version of rfc2629.xslt

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  • draft-ietf-httpbis/02/p7-auth.html

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    345336      <link rel="Appendix" title="A Compatibility with Previous Versions" href="#rfc.section.A">
    346337      <link rel="Appendix" title="B Change Log (to be removed by RFC Editor before publication)" href="#rfc.section.B">
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    348       <link rel="schema.DC" href="http://purl.org/dc/elements/1.1/">
    349       <meta name="DC.Creator" content="Fielding, R.">
    350       <meta name="DC.Creator" content="Gettys, J.">
    351       <meta name="DC.Creator" content="Mogul, J.">
    352       <meta name="DC.Creator" content="Frystyk, H.">
    353       <meta name="DC.Creator" content="Masinter, L.">
    354       <meta name="DC.Creator" content="Leach, P.">
    355       <meta name="DC.Creator" content="Berners-Lee, T.">
    356       <meta name="DC.Creator" content="Lafon, Y.">
    357       <meta name="DC.Creator" content="Reschke, J. F.">
    358       <meta name="DC.Identifier" content="urn:ietf:id:draft-ietf-httpbis-p7-auth-02">
    359       <meta name="DC.Date.Issued" scheme="ISO8601" content="2008-02">
    360       <meta name="DC.Relation.Replaces" content="urn:ietf:rfc:2616">
    361       <meta name="DC.Description.Abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document is Part 7 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 7 defines HTTP Authentication.">
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     342      <meta name="dct.creator" content="Mogul, J.">
     343      <meta name="dct.creator" content="Frystyk, H.">
     344      <meta name="dct.creator" content="Masinter, L.">
     345      <meta name="dct.creator" content="Leach, P.">
     346      <meta name="dct.creator" content="Berners-Lee, T.">
     347      <meta name="dct.creator" content="Lafon, Y.">
     348      <meta name="dct.creator" content="Reschke, J. F.">
     349      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p7-auth-02">
     350      <meta name="dct.issued" scheme="ISO8601" content="2008-02-24">
     351      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
     352      <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document is Part 7 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 7 defines HTTP Authentication.">
     353      <meta name="description" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document is Part 7 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 7 defines HTTP Authentication.">
    362354   </head>
    363355   <body>
    364       <table summary="header information" class="header" border="0" cellpadding="1" cellspacing="1">
    365          <tr>
    366             <td class="header left">Network Working Group</td>
    367             <td class="header right">R. Fielding, Editor</td>
    368          </tr>
    369          <tr>
    370             <td class="header left">Internet Draft</td>
    371             <td class="header right">Day Software</td>
    372          </tr>
    373          <tr>
    374             <td class="header left">
    375                &lt;draft-ietf-httpbis-p7-auth-02&gt;
    376                
    377             </td>
    378             <td class="header right">J. Gettys</td>
    379          </tr>
    380          <tr>
    381             <td class="header left">Obsoletes: <a href="http://tools.ietf.org/html/rfc2616">2616</a> (if approved)
    382             </td>
    383             <td class="header right">One Laptop per Child</td>
    384          </tr>
    385          <tr>
    386             <td class="header left">Updates: <a href="http://tools.ietf.org/html/rfc2617">2617</a> (if approved)
    387             </td>
    388             <td class="header right">J. Mogul</td>
    389          </tr>
    390          <tr>
    391             <td class="header left">Intended status: Standards Track</td>
    392             <td class="header right">HP</td>
    393          </tr>
    394          <tr>
    395             <td class="header left">Expires: August 2008</td>
    396             <td class="header right">H. Frystyk</td>
    397          </tr>
    398          <tr>
    399             <td class="header left"></td>
    400             <td class="header right">Microsoft</td>
    401          </tr>
    402          <tr>
    403             <td class="header left"></td>
    404             <td class="header right">L. Masinter</td>
    405          </tr>
    406          <tr>
    407             <td class="header left"></td>
    408             <td class="header right">Adobe Systems</td>
    409          </tr>
    410          <tr>
    411             <td class="header left"></td>
    412             <td class="header right">P. Leach</td>
    413          </tr>
    414          <tr>
    415             <td class="header left"></td>
    416             <td class="header right">Microsoft</td>
    417          </tr>
    418          <tr>
    419             <td class="header left"></td>
    420             <td class="header right">T. Berners-Lee</td>
    421          </tr>
    422          <tr>
    423             <td class="header left"></td>
    424             <td class="header right">W3C/MIT</td>
    425          </tr>
    426          <tr>
    427             <td class="header left"></td>
    428             <td class="header right">Y. Lafon, Editor</td>
    429          </tr>
    430          <tr>
    431             <td class="header left"></td>
    432             <td class="header right">W3C</td>
    433          </tr>
    434          <tr>
    435             <td class="header left"></td>
    436             <td class="header right">J. F. Reschke, Editor</td>
    437          </tr>
    438          <tr>
    439             <td class="header left"></td>
    440             <td class="header right">greenbytes</td>
    441          </tr>
    442          <tr>
    443             <td class="header left"></td>
    444             <td class="header right">February 24, 2008</td>
    445          </tr>
     356      <table class="header">
     357         <tbody>
     358            <tr>
     359               <td class="left">Network Working Group</td>
     360               <td class="right">R. Fielding, Editor</td>
     361            </tr>
     362            <tr>
     363               <td class="left">Internet-Draft</td>
     364               <td class="right">Day Software</td>
     365            </tr>
     366            <tr>
     367               <td class="left">Obsoletes: <a href="http://tools.ietf.org/html/rfc2616">2616</a> (if approved)
     368               </td>
     369               <td class="right">J. Gettys</td>
     370            </tr>
     371            <tr>
     372               <td class="left">Updates: <a href="http://tools.ietf.org/html/rfc2617">2617</a> (if approved)
     373               </td>
     374               <td class="right">One Laptop per Child</td>
     375            </tr>
     376            <tr>
     377               <td class="left">Intended status: Standards Track</td>
     378               <td class="right">J. Mogul</td>
     379            </tr>
     380            <tr>
     381               <td class="left">Expires: August 27, 2008</td>
     382               <td class="right">HP</td>
     383            </tr>
     384            <tr>
     385               <td class="left"></td>
     386               <td class="right">H. Frystyk</td>
     387            </tr>
     388            <tr>
     389               <td class="left"></td>
     390               <td class="right">Microsoft</td>
     391            </tr>
     392            <tr>
     393               <td class="left"></td>
     394               <td class="right">L. Masinter</td>
     395            </tr>
     396            <tr>
     397               <td class="left"></td>
     398               <td class="right">Adobe Systems</td>
     399            </tr>
     400            <tr>
     401               <td class="left"></td>
     402               <td class="right">P. Leach</td>
     403            </tr>
     404            <tr>
     405               <td class="left"></td>
     406               <td class="right">Microsoft</td>
     407            </tr>
     408            <tr>
     409               <td class="left"></td>
     410               <td class="right">T. Berners-Lee</td>
     411            </tr>
     412            <tr>
     413               <td class="left"></td>
     414               <td class="right">W3C/MIT</td>
     415            </tr>
     416            <tr>
     417               <td class="left"></td>
     418               <td class="right">Y. Lafon, Editor</td>
     419            </tr>
     420            <tr>
     421               <td class="left"></td>
     422               <td class="right">W3C</td>
     423            </tr>
     424            <tr>
     425               <td class="left"></td>
     426               <td class="right">J. Reschke, Editor</td>
     427            </tr>
     428            <tr>
     429               <td class="left"></td>
     430               <td class="right">greenbytes</td>
     431            </tr>
     432            <tr>
     433               <td class="left"></td>
     434               <td class="right">February 24, 2008</td>
     435            </tr>
     436         </tbody>
    446437      </table>
    447438      <p class="title">HTTP/1.1, part 7: Authentication<br><span class="filename">draft-ietf-httpbis-p7-auth-02</span></p>
     
    458449         in progress”.
    459450      </p>
    460       <p>The list of current Internet-Drafts can be accessed at &lt;<a href="http://www.ietf.org/ietf/1id-abstracts.txt">http://www.ietf.org/ietf/1id-abstracts.txt</a>&gt;.
    461       </p>
    462       <p>The list of Internet-Draft Shadow Directories can be accessed at &lt;<a href="http://www.ietf.org/shadow.html">http://www.ietf.org/shadow.html</a>&gt;.
    463       </p>
    464       <p>This Internet-Draft will expire in August 2008.</p>
     451      <p>The list of current Internet-Drafts can be accessed at <a href="http://www.ietf.org/ietf/1id-abstracts.txt">http://www.ietf.org/ietf/1id-abstracts.txt</a>.
     452      </p>
     453      <p>The list of Internet-Draft Shadow Directories can be accessed at <a href="http://www.ietf.org/shadow.html">http://www.ietf.org/shadow.html</a>.
     454      </p>
     455      <p>This Internet-Draft will expire on August 27, 2008.</p>
    465456      <h1 id="rfc.abstract"><a href="#rfc.abstract">Abstract</a></h1>
    466457      <p>The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information
     
    478469      <h1 class="np" id="rfc.toc"><a href="#rfc.toc">Table of Contents</a></h1>
    479470      <ul class="toc">
    480          <li class="tocline0">1.&nbsp;&nbsp;&nbsp;<a href="#introduction">Introduction</a><ul class="toc">
    481                <li class="tocline1">1.1&nbsp;&nbsp;&nbsp;<a href="#intro.requirements">Requirements</a></li>
     471         <li>1.&nbsp;&nbsp;&nbsp;<a href="#introduction">Introduction</a><ul>
     472               <li>1.1&nbsp;&nbsp;&nbsp;<a href="#intro.requirements">Requirements</a></li>
    482473            </ul>
    483474         </li>
    484          <li class="tocline0">2.&nbsp;&nbsp;&nbsp;<a href="#notation">Notational Conventions and Generic Grammar</a></li>
    485          <li class="tocline0">3.&nbsp;&nbsp;&nbsp;<a href="#rfc.section.3">Status Code Definitions</a><ul class="toc">
    486                <li class="tocline1">3.1&nbsp;&nbsp;&nbsp;<a href="#status.401">401 Unauthorized</a></li>
    487                <li class="tocline1">3.2&nbsp;&nbsp;&nbsp;<a href="#status.407">407 Proxy Authentication Required</a></li>
     475         <li>2.&nbsp;&nbsp;&nbsp;<a href="#notation">Notational Conventions and Generic Grammar</a></li>
     476         <li>3.&nbsp;&nbsp;&nbsp;<a href="#rfc.section.3">Status Code Definitions</a><ul>
     477               <li>3.1&nbsp;&nbsp;&nbsp;<a href="#status.401">401 Unauthorized</a></li>
     478               <li>3.2&nbsp;&nbsp;&nbsp;<a href="#status.407">407 Proxy Authentication Required</a></li>
    488479            </ul>
    489480         </li>
    490          <li class="tocline0">4.&nbsp;&nbsp;&nbsp;<a href="#header.fields">Header Field Definitions</a><ul class="toc">
    491                <li class="tocline1">4.1&nbsp;&nbsp;&nbsp;<a href="#header.authorization">Authorization</a></li>
    492                <li class="tocline1">4.2&nbsp;&nbsp;&nbsp;<a href="#header.proxy-authenticate">Proxy-Authenticate</a></li>
    493                <li class="tocline1">4.3&nbsp;&nbsp;&nbsp;<a href="#header.proxy-authorization">Proxy-Authorization</a></li>
    494                <li class="tocline1">4.4&nbsp;&nbsp;&nbsp;<a href="#header.www-authenticate">WWW-Authenticate</a></li>
     481         <li>4.&nbsp;&nbsp;&nbsp;<a href="#header.fields">Header Field Definitions</a><ul>
     482               <li>4.1&nbsp;&nbsp;&nbsp;<a href="#header.authorization">Authorization</a></li>
     483               <li>4.2&nbsp;&nbsp;&nbsp;<a href="#header.proxy-authenticate">Proxy-Authenticate</a></li>
     484               <li>4.3&nbsp;&nbsp;&nbsp;<a href="#header.proxy-authorization">Proxy-Authorization</a></li>
     485               <li>4.4&nbsp;&nbsp;&nbsp;<a href="#header.www-authenticate">WWW-Authenticate</a></li>
    495486            </ul>
    496487         </li>
    497          <li class="tocline0">5.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a></li>
    498          <li class="tocline0">6.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a><ul class="toc">
    499                <li class="tocline1">6.1&nbsp;&nbsp;&nbsp;<a href="#auth.credentials.and.idle.clients">Authentication Credentials and Idle Clients</a></li>
     488         <li>5.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a></li>
     489         <li>6.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a><ul>
     490               <li>6.1&nbsp;&nbsp;&nbsp;<a href="#auth.credentials.and.idle.clients">Authentication Credentials and Idle Clients</a></li>
    500491            </ul>
    501492         </li>
    502          <li class="tocline0">7.&nbsp;&nbsp;&nbsp;<a href="#ack">Acknowledgments</a></li>
    503          <li class="tocline0">8.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul class="toc">
    504                <li class="tocline1">8.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
    505                <li class="tocline1">8.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
     493         <li>7.&nbsp;&nbsp;&nbsp;<a href="#ack">Acknowledgments</a></li>
     494         <li>8.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul>
     495               <li>8.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
     496               <li>8.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
    506497            </ul>
    507498         </li>
    508          <li class="tocline0"><a href="#rfc.authors">Authors' Addresses</a></li>
    509          <li class="tocline0">A.&nbsp;&nbsp;&nbsp;<a href="#compatibility">Compatibility with Previous Versions</a><ul class="toc">
    510                <li class="tocline1">A.1&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2616">Changes from RFC 2616</a></li>
     499         <li><a href="#rfc.authors">Authors' Addresses</a></li>
     500         <li>A.&nbsp;&nbsp;&nbsp;<a href="#compatibility">Compatibility with Previous Versions</a><ul>
     501               <li>A.1&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2616">Changes from RFC 2616</a></li>
    511502            </ul>
    512503         </li>
    513          <li class="tocline0">B.&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B">Change Log (to be removed by RFC Editor before publication)</a><ul class="toc">
    514                <li class="tocline1">B.1&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.1">Since RFC2616</a></li>
    515                <li class="tocline1">B.2&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.2">Since draft-ietf-httpbis-p7-auth-00</a></li>
    516                <li class="tocline1">B.3&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.3">Since draft-ietf-httpbis-p7-auth-01</a></li>
     504         <li>B.&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B">Change Log (to be removed by RFC Editor before publication)</a><ul>
     505               <li>B.1&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.1">Since RFC2616</a></li>
     506               <li>B.2&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.2">Since draft-ietf-httpbis-p7-auth-00</a></li>
     507               <li>B.3&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.3">Since draft-ietf-httpbis-p7-auth-01</a></li>
    517508            </ul>
    518509         </li>
    519          <li class="tocline0"><a href="#rfc.ipr">Intellectual Property and Copyright Statements</a></li>
    520          <li class="tocline0"><a href="#rfc.index">Index</a></li>
     510         <li><a href="#rfc.index">Index</a></li>
     511         <li><a href="#rfc.ipr">Intellectual Property and Copyright Statements</a></li>
    521512      </ul>
    522513      <h1 id="rfc.section.1" class="np"><a href="#rfc.section.1">1.</a>&nbsp;<a id="introduction" href="#introduction">Introduction</a></h1>
     
    536527      </p>
    537528      <h1 id="rfc.section.2"><a href="#rfc.section.2">2.</a>&nbsp;<a id="notation" href="#notation">Notational Conventions and Generic Grammar</a></h1>
    538       <p id="rfc.section.2.p.1">This specification uses the ABNF syntax defined in <a href="p1-messaging.html#notation.abnf" title="Augmented BNF">Section 2.1</a> of <a href="#Part1" id="rfc.xref.Part1.1"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. <span class="comment">[abnf.dep: ABNF syntax and basic rules will be adopted from RFC 5234, see &lt;<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/36">http://tools.ietf.org/wg/httpbis/trac/ticket/36</a>&gt;.]</span>
     529      <p id="rfc.section.2.p.1">This specification uses the ABNF syntax defined in <a href="p1-messaging.html#notation.abnf" title="Augmented BNF">Section 2.1</a> of <a href="#Part1" id="rfc.xref.Part1.1"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. <span class="comment" id="abnf.dep">[<a href="#abnf.dep" class="smpl">abnf.dep</a>: ABNF syntax and basic rules will be adopted from RFC 5234, see &lt;<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/36">http://tools.ietf.org/wg/httpbis/trac/ticket/36</a>&gt;.]</span>
    539530      </p>
    540531      <div id="abnf.dependencies">
     
    621612      </p>
    622613      <h1 id="rfc.section.5"><a href="#rfc.section.5">5.</a>&nbsp;<a id="IANA.considerations" href="#IANA.considerations">IANA Considerations</a></h1>
    623       <p id="rfc.section.5.p.1"> <span class="comment">[rfc.comment.1: TBD.]</span>
     614      <p id="rfc.section.5.p.1"> <span class="comment" id="rfc.comment.1">[<a href="#rfc.comment.1" class="smpl">rfc.comment.1</a>: TBD.]</span>
    624615      </p>
    625616      <h1 id="rfc.section.6"><a href="#rfc.section.6">6.</a>&nbsp;<a id="security.considerations" href="#security.considerations">Security Considerations</a></h1>
     
    653644      <h2 id="rfc.references.1"><a href="#rfc.section.8.1" id="rfc.section.8.1">8.1</a> Normative References
    654645      </h2>
    655       <table summary="Normative References">       
     646      <table>       
    656647         <tr>
    657648            <td class="reference"><b id="Part1">[Part1]</b></td>
    658             <td class="top"><a title="Day Software">Fielding, R., Ed.</a>, <a title="One Laptop per Child">Gettys, J.</a>, <a title="Hewlett-Packard Company">Mogul, J.</a>, <a title="Microsoft Corporation">Frystyk, H.</a>, <a title="Adobe Systems, Incorporated">Masinter, L.</a>, <a title="Microsoft Corporation">Leach, P.</a>, <a title="World Wide Web Consortium">Berners-Lee, T.</a>, <a title="World Wide Web Consortium">Lafon, Y., Ed.</a>, and <a title="greenbytes GmbH">J. F. Reschke, Ed.</a>, “<a href="http://tools.ietf.org/html/draft-ietf-httpbis-p1-messaging-02">HTTP/1.1, part 1: URIs, Connections, and Message Parsing</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p1-messaging-02 (work in progress), February&nbsp;2008.
     649            <td class="top"><a href="mailto:fielding@gbiv.com" title="Day Software">Fielding, R., Ed.</a>, <a href="mailto:jg@laptop.org" title="One Laptop per Child">Gettys, J.</a>, <a href="mailto:JeffMogul@acm.org" title="Hewlett-Packard Company">Mogul, J.</a>, <a href="mailto:henrikn@microsoft.com" title="Microsoft Corporation">Frystyk, H.</a>, <a href="mailto:LMM@acm.org" title="Adobe Systems, Incorporated">Masinter, L.</a>, <a href="mailto:paulle@microsoft.com" title="Microsoft Corporation">Leach, P.</a>, <a href="mailto:timbl@w3.org" title="World Wide Web Consortium">Berners-Lee, T.</a>, <a href="mailto:ylafon@w3.org" title="World Wide Web Consortium">Lafon, Y., Ed.</a>, and <a href="mailto:julian.reschke@greenbytes.de" title="greenbytes GmbH">J. Reschke, Ed.</a>, “<a href="http://tools.ietf.org/html/draft-ietf-httpbis-p1-messaging-02">HTTP/1.1, part 1: URIs, Connections, and Message Parsing</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p1-messaging-02 (work in progress), February&nbsp;2008.
    659650            </td>
    660651         </tr>
    661652         <tr>
    662653            <td class="reference"><b id="Part6">[Part6]</b></td>
    663             <td class="top"><a title="Day Software">Fielding, R., Ed.</a>, <a title="One Laptop per Child">Gettys, J.</a>, <a title="Hewlett-Packard Company">Mogul, J.</a>, <a title="Microsoft Corporation">Frystyk, H.</a>, <a title="Adobe Systems, Incorporated">Masinter, L.</a>, <a title="Microsoft Corporation">Leach, P.</a>, <a title="World Wide Web Consortium">Berners-Lee, T.</a>, <a title="World Wide Web Consortium">Lafon, Y., Ed.</a>, and <a title="greenbytes GmbH">J. F. Reschke, Ed.</a>, “<a href="http://tools.ietf.org/html/draft-ietf-httpbis-p6-cache-02">HTTP/1.1, part 6: Caching</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p6-cache-02 (work in progress), February&nbsp;2008.
     654            <td class="top"><a href="mailto:fielding@gbiv.com" title="Day Software">Fielding, R., Ed.</a>, <a href="mailto:jg@laptop.org" title="One Laptop per Child">Gettys, J.</a>, <a href="mailto:JeffMogul@acm.org" title="Hewlett-Packard Company">Mogul, J.</a>, <a href="mailto:henrikn@microsoft.com" title="Microsoft Corporation">Frystyk, H.</a>, <a href="mailto:LMM@acm.org" title="Adobe Systems, Incorporated">Masinter, L.</a>, <a href="mailto:paulle@microsoft.com" title="Microsoft Corporation">Leach, P.</a>, <a href="mailto:timbl@w3.org" title="World Wide Web Consortium">Berners-Lee, T.</a>, <a href="mailto:ylafon@w3.org" title="World Wide Web Consortium">Lafon, Y., Ed.</a>, and <a href="mailto:julian.reschke@greenbytes.de" title="greenbytes GmbH">J. Reschke, Ed.</a>, “<a href="http://tools.ietf.org/html/draft-ietf-httpbis-p6-cache-02">HTTP/1.1, part 6: Caching</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p6-cache-02 (work in progress), February&nbsp;2008.
    664655            </td>
    665656         </tr>
    666657         <tr>
    667658            <td class="reference"><b id="RFC2119">[RFC2119]</b></td>
    668             <td class="top"><a title="Harvard University">Bradner, S.</a>, “<a href="http://tools.ietf.org/html/rfc2119">Key words for use in RFCs to Indicate Requirement Levels</a>”, BCP&nbsp;14, RFC&nbsp;2119, March&nbsp;1997.
     659            <td class="top"><a href="mailto:sob@harvard.edu" title="Harvard University">Bradner, S.</a>, “<a href="http://tools.ietf.org/html/rfc2119">Key words for use in RFCs to Indicate Requirement Levels</a>”, BCP&nbsp;14, RFC&nbsp;2119, March&nbsp;1997.
    669660            </td>
    670661         </tr>
    671662         <tr>
    672663            <td class="reference"><b id="RFC2617">[RFC2617]</b></td>
    673             <td class="top"><a title="Northwestern University, Department of Mathematics">Franks, J.</a>, <a title="Verisign Inc.">Hallam-Baker, P.M.</a>, <a title="AbiSource, Inc.">Hostetler, J.L.</a>, <a title="Agranat Systems, Inc.">Lawrence, S.D.</a>, <a title="Microsoft Corporation">Leach, P.J.</a>, Luotonen, A., and <a title="Open Market, Inc.">L. Stewart</a>, “<a href="http://tools.ietf.org/html/rfc2617">HTTP Authentication: Basic and Digest Access Authentication</a>”, RFC&nbsp;2617, June&nbsp;1999.
     664            <td class="top"><a href="mailto:john@math.nwu.edu" title="Northwestern University, Department of Mathematics">Franks, J.</a>, <a href="mailto:pbaker@verisign.com" title="Verisign Inc.">Hallam-Baker, P.</a>, <a href="mailto:jeff@AbiSource.com" title="AbiSource, Inc.">Hostetler, J.</a>, <a href="mailto:lawrence@agranat.com" title="Agranat Systems, Inc.">Lawrence, S.</a>, <a href="mailto:paulle@microsoft.com" title="Microsoft Corporation">Leach, P.</a>, Luotonen, A., and <a href="mailto:stewart@OpenMarket.com" title="Open Market, Inc.">L. Stewart</a>, “<a href="http://tools.ietf.org/html/rfc2617">HTTP Authentication: Basic and Digest Access Authentication</a>”, RFC&nbsp;2617, June&nbsp;1999.
    674665            </td>
    675666         </tr>
     
    677668      <h2 id="rfc.references.2"><a href="#rfc.section.8.2" id="rfc.section.8.2">8.2</a> Informative References
    678669      </h2>
    679       <table summary="Informative References"
     670      <table
    680671         <tr>
    681672            <td class="reference"><b id="RFC2616">[RFC2616]</b></td>
    682             <td class="top"><a title="University of California, Irvine">Fielding, R.</a>, <a title="W3C">Gettys, J.</a>, <a title="Compaq Computer Corporation">Mogul, J.</a>, <a title="MIT Laboratory for Computer Science">Frystyk, H.</a>, <a title="Xerox Corporation">Masinter, L.</a>, <a title="Microsoft Corporation">Leach, P.</a>, and <a title="W3C">T. Berners-Lee</a>, “<a href="http://tools.ietf.org/html/rfc2616">Hypertext Transfer Protocol -- HTTP/1.1</a>”, RFC&nbsp;2616, June&nbsp;1999.
     673            <td class="top"><a href="mailto:fielding@ics.uci.edu" title="University of California, Irvine">Fielding, R.</a>, <a href="mailto:jg@w3.org" title="W3C">Gettys, J.</a>, <a href="mailto:mogul@wrl.dec.com" title="Compaq Computer Corporation">Mogul, J.</a>, <a href="mailto:frystyk@w3.org" title="MIT Laboratory for Computer Science">Frystyk, H.</a>, <a href="mailto:masinter@parc.xerox.com" title="Xerox Corporation">Masinter, L.</a>, <a href="mailto:paulle@microsoft.com" title="Microsoft Corporation">Leach, P.</a>, and <a href="mailto:timbl@w3.org" title="W3C">T. Berners-Lee</a>, “<a href="http://tools.ietf.org/html/rfc2616">Hypertext Transfer Protocol -- HTTP/1.1</a>”, RFC&nbsp;2616, June&nbsp;1999.
    683674            </td>
    684675         </tr>
    685676      </table>
    686       <h1 id="rfc.authors"><a href="#rfc.authors">Authors' Addresses</a></h1>
    687       <address class="vcard"><span class="vcardline"><span class="fn">Roy T. Fielding</span>
    688             (editor)
    689             <span class="n hidden"><span class="family-name">Fielding</span><span class="given-name">Roy T.</span></span></span><span class="org vcardline">Day Software</span><span class="adr"><span class="street-address vcardline">23 Corporate Plaza DR, Suite 280</span><span class="vcardline"><span class="locality">Newport Beach</span>, <span class="region">CA</span>&nbsp;<span class="postal-code">92660</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline tel">Phone: <a href="tel:+1-949-706-5300"><span class="value">+1-949-706-5300</span></a></span><span class="vcardline tel"><span class="type">Fax</span>: <a href="fax:+1-949-706-5305"><span class="value">+1-949-706-5305</span></a></span><span class="vcardline">EMail: <a><span class="email">fielding@gbiv.com</span></a></span><span class="vcardline">URI: <a href="http://roy.gbiv.com/" class="url">http://roy.gbiv.com/</a></span></address>
    690       <address class="vcard"><span class="vcardline"><span class="fn">Jim Gettys</span><span class="n hidden"><span class="family-name">Gettys</span><span class="given-name">Jim</span></span></span><span class="org vcardline">One Laptop per Child</span><span class="adr"><span class="street-address vcardline">21 Oak Knoll Road</span><span class="vcardline"><span class="locality">Carlisle</span>, <span class="region">MA</span>&nbsp;<span class="postal-code">01741</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a><span class="email">jg@laptop.org</span></a></span><span class="vcardline">URI: <a href="http://www.laptop.org/" class="url">http://www.laptop.org/</a></span></address>
    691       <address class="vcard"><span class="vcardline"><span class="fn">Jeffrey C. Mogul</span><span class="n hidden"><span class="family-name">Mogul</span><span class="given-name">Jeffrey C.</span></span></span><span class="org vcardline">Hewlett-Packard Company</span><span class="adr"><span class="street-address vcardline">HP Labs, Large Scale Systems Group</span><span class="street-address vcardline">1501 Page Mill Road, MS 1177</span><span class="vcardline"><span class="locality">Palo Alto</span>, <span class="region">CA</span>&nbsp;<span class="postal-code">94304</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a><span class="email">JeffMogul@acm.org</span></a></span></address>
    692       <address class="vcard"><span class="vcardline"><span class="fn">Henrik Frystyk Nielsen</span><span class="n hidden"><span class="family-name">Frystyk</span></span></span><span class="org vcardline">Microsoft Corporation</span><span class="adr"><span class="street-address vcardline">1 Microsoft Way</span><span class="vcardline"><span class="locality">Redmond</span>, <span class="region">WA</span>&nbsp;<span class="postal-code">98052</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a><span class="email">henrikn@microsoft.com</span></a></span></address>
    693       <address class="vcard"><span class="vcardline"><span class="fn">Larry Masinter</span><span class="n hidden"><span class="family-name">Masinter</span><span class="given-name">Larry</span></span></span><span class="org vcardline">Adobe Systems, Incorporated</span><span class="adr"><span class="street-address vcardline">345 Park Ave</span><span class="vcardline"><span class="locality">San Jose</span>, <span class="region">CA</span>&nbsp;<span class="postal-code">95110</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a><span class="email">LMM@acm.org</span></a></span><span class="vcardline">URI: <a href="http://larry.masinter.net/" class="url">http://larry.masinter.net/</a></span></address>
    694       <address class="vcard"><span class="vcardline"><span class="fn">Paul J. Leach</span><span class="n hidden"><span class="family-name">Leach</span><span class="given-name">Paul J.</span></span></span><span class="org vcardline">Microsoft Corporation</span><span class="adr"><span class="street-address vcardline">1 Microsoft Way</span><span class="vcardline"><span class="locality">Redmond</span>, <span class="region">WA</span>&nbsp;<span class="postal-code">98052</span></span></span><span class="vcardline">EMail: <a><span class="email">paulle@microsoft.com</span></a></span></address>
    695       <address class="vcard"><span class="vcardline"><span class="fn">Tim Berners-Lee</span><span class="n hidden"><span class="family-name">Berners-Lee</span><span class="given-name">Tim</span></span></span><span class="org vcardline">World Wide Web Consortium</span><span class="adr"><span class="street-address vcardline">MIT Computer Science and Artificial Intelligence Laboratory</span><span class="street-address vcardline">The Stata Center, Building 32</span><span class="street-address vcardline">32 Vassar Street</span><span class="vcardline"><span class="locality">Cambridge</span>, <span class="region">MA</span>&nbsp;<span class="postal-code">02139</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a><span class="email">timbl@w3.org</span></a></span><span class="vcardline">URI: <a href="http://www.w3.org/People/Berners-Lee/" class="url">http://www.w3.org/People/Berners-Lee/</a></span></address>
    696       <address class="vcard"><span class="vcardline"><span class="fn">Yves Lafon</span>
    697             (editor)
    698             <span class="n hidden"><span class="family-name">Lafon</span><span class="given-name">Yves</span></span></span><span class="org vcardline">World Wide Web Consortium</span><span class="adr"><span class="street-address vcardline">W3C / ERCIM</span><span class="street-address vcardline">2004, rte des Lucioles</span><span class="vcardline"><span class="locality">Sophia-Antipolis</span>, <span class="region">AM</span>&nbsp;<span class="postal-code">06902</span></span><span class="country-name vcardline">France</span></span><span class="vcardline">EMail: <a><span class="email">ylafon@w3.org</span></a></span><span class="vcardline">URI: <a href="http://www.raubacapeu.net/people/yves/" class="url">http://www.raubacapeu.net/people/yves/</a></span></address>
    699       <address class="vcard"><span class="vcardline"><span class="fn">Julian F. Reschke</span>
    700             (editor)
    701             <span class="n hidden"><span class="family-name">Reschke</span><span class="given-name">Julian F.</span></span></span><span class="org vcardline">greenbytes GmbH</span><span class="adr"><span class="street-address vcardline">Hafenweg 16</span><span class="vcardline"><span class="locality">Muenster</span>, <span class="region">NW</span>&nbsp;<span class="postal-code">48155</span></span><span class="country-name vcardline">Germany</span></span><span class="vcardline tel">Phone: <a href="tel:+492512807760"><span class="value">+49 251 2807760</span></a></span><span class="vcardline tel"><span class="type">Fax</span>: <a href="fax:+492512807761"><span class="value">+49 251 2807761</span></a></span><span class="vcardline">EMail: <a><span class="email">julian.reschke@greenbytes.de</span></a></span><span class="vcardline">URI: <a href="http://greenbytes.de/tech/webdav/" class="url">http://greenbytes.de/tech/webdav/</a></span></address>
    702       <h1 id="rfc.section.A"><a href="#rfc.section.A">A.</a>&nbsp;<a id="compatibility" href="#compatibility">Compatibility with Previous Versions</a></h1>
     677      <div class="avoidbreak">
     678         <h1 id="rfc.authors"><a href="#rfc.authors">Authors' Addresses</a></h1>
     679         <address class="vcard"><span class="vcardline"><span class="fn">Roy T. Fielding</span>
     680               (editor)
     681               <span class="n hidden"><span class="family-name">Fielding</span><span class="given-name">Roy T.</span></span></span><span class="org vcardline">Day Software</span><span class="adr"><span class="street-address vcardline">23 Corporate Plaza DR, Suite 280</span><span class="vcardline"><span class="locality">Newport Beach</span>, <span class="region">CA</span>&nbsp;<span class="postal-code">92660</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline tel">Phone: <a href="tel:+1-949-706-5300"><span class="value">+1-949-706-5300</span></a></span><span class="vcardline tel"><span class="type">Fax</span>: <a href="fax:+1-949-706-5305"><span class="value">+1-949-706-5305</span></a></span><span class="vcardline">EMail: <a href="mailto:fielding@gbiv.com"><span class="email">fielding@gbiv.com</span></a></span><span class="vcardline">URI: <a href="http://roy.gbiv.com/" class="url">http://roy.gbiv.com/</a></span></address>
     682         <address class="vcard"><span class="vcardline"><span class="fn">Jim Gettys</span><span class="n hidden"><span class="family-name">Gettys</span><span class="given-name">Jim</span></span></span><span class="org vcardline">One Laptop per Child</span><span class="adr"><span class="street-address vcardline">21 Oak Knoll Road</span><span class="vcardline"><span class="locality">Carlisle</span>, <span class="region">MA</span>&nbsp;<span class="postal-code">01741</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a href="mailto:jg@laptop.org"><span class="email">jg@laptop.org</span></a></span><span class="vcardline">URI: <a href="http://www.laptop.org/" class="url">http://www.laptop.org/</a></span></address>
     683         <address class="vcard"><span class="vcardline"><span class="fn">Jeffrey C. Mogul</span><span class="n hidden"><span class="family-name">Mogul</span><span class="given-name">Jeffrey C.</span></span></span><span class="org vcardline">Hewlett-Packard Company</span><span class="adr"><span class="street-address vcardline">HP Labs, Large Scale Systems Group</span><span class="street-address vcardline">1501 Page Mill Road, MS 1177</span><span class="vcardline"><span class="locality">Palo Alto</span>, <span class="region">CA</span>&nbsp;<span class="postal-code">94304</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a href="mailto:JeffMogul@acm.org"><span class="email">JeffMogul@acm.org</span></a></span></address>
     684         <address class="vcard"><span class="vcardline"><span class="fn">Henrik Frystyk Nielsen</span><span class="n hidden"><span class="family-name">Frystyk</span></span></span><span class="org vcardline">Microsoft Corporation</span><span class="adr"><span class="street-address vcardline">1 Microsoft Way</span><span class="vcardline"><span class="locality">Redmond</span>, <span class="region">WA</span>&nbsp;<span class="postal-code">98052</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a href="mailto:henrikn@microsoft.com"><span class="email">henrikn@microsoft.com</span></a></span></address>
     685         <address class="vcard"><span class="vcardline"><span class="fn">Larry Masinter</span><span class="n hidden"><span class="family-name">Masinter</span><span class="given-name">Larry</span></span></span><span class="org vcardline">Adobe Systems, Incorporated</span><span class="adr"><span class="street-address vcardline">345 Park Ave</span><span class="vcardline"><span class="locality">San Jose</span>, <span class="region">CA</span>&nbsp;<span class="postal-code">95110</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a href="mailto:LMM@acm.org"><span class="email">LMM@acm.org</span></a></span><span class="vcardline">URI: <a href="http://larry.masinter.net/" class="url">http://larry.masinter.net/</a></span></address>
     686         <address class="vcard"><span class="vcardline"><span class="fn">Paul J. Leach</span><span class="n hidden"><span class="family-name">Leach</span><span class="given-name">Paul J.</span></span></span><span class="org vcardline">Microsoft Corporation</span><span class="adr"><span class="street-address vcardline">1 Microsoft Way</span><span class="vcardline"><span class="locality">Redmond</span>, <span class="region">WA</span>&nbsp;<span class="postal-code">98052</span></span></span><span class="vcardline">EMail: <a href="mailto:paulle@microsoft.com"><span class="email">paulle@microsoft.com</span></a></span></address>
     687         <address class="vcard"><span class="vcardline"><span class="fn">Tim Berners-Lee</span><span class="n hidden"><span class="family-name">Berners-Lee</span><span class="given-name">Tim</span></span></span><span class="org vcardline">World Wide Web Consortium</span><span class="adr"><span class="street-address vcardline">MIT Computer Science and Artificial Intelligence Laboratory</span><span class="street-address vcardline">The Stata Center, Building 32</span><span class="street-address vcardline">32 Vassar Street</span><span class="vcardline"><span class="locality">Cambridge</span>, <span class="region">MA</span>&nbsp;<span class="postal-code">02139</span></span><span class="country-name vcardline">USA</span></span><span class="vcardline">EMail: <a href="mailto:timbl@w3.org"><span class="email">timbl@w3.org</span></a></span><span class="vcardline">URI: <a href="http://www.w3.org/People/Berners-Lee/" class="url">http://www.w3.org/People/Berners-Lee/</a></span></address>
     688         <address class="vcard"><span class="vcardline"><span class="fn">Yves Lafon</span>
     689               (editor)
     690               <span class="n hidden"><span class="family-name">Lafon</span><span class="given-name">Yves</span></span></span><span class="org vcardline">World Wide Web Consortium</span><span class="adr"><span class="street-address vcardline">W3C / ERCIM</span><span class="street-address vcardline">2004, rte des Lucioles</span><span class="vcardline"><span class="locality">Sophia-Antipolis</span>, <span class="region">AM</span>&nbsp;<span class="postal-code">06902</span></span><span class="country-name vcardline">France</span></span><span class="vcardline">EMail: <a href="mailto:ylafon@w3.org"><span class="email">ylafon@w3.org</span></a></span><span class="vcardline">URI: <a href="http://www.raubacapeu.net/people/yves/" class="url">http://www.raubacapeu.net/people/yves/</a></span></address>
     691         <address class="vcard"><span class="vcardline"><span class="fn">Julian F. Reschke</span>
     692               (editor)
     693               <span class="n hidden"><span class="family-name">Reschke</span><span class="given-name">Julian F.</span></span></span><span class="org vcardline">greenbytes GmbH</span><span class="adr"><span class="street-address vcardline">Hafenweg 16</span><span class="vcardline"><span class="locality">Muenster</span>, <span class="region">NW</span>&nbsp;<span class="postal-code">48155</span></span><span class="country-name vcardline">Germany</span></span><span class="vcardline tel">Phone: <a href="tel:+492512807760"><span class="value">+49 251 2807760</span></a></span><span class="vcardline tel"><span class="type">Fax</span>: <a href="fax:+492512807761"><span class="value">+49 251 2807761</span></a></span><span class="vcardline">EMail: <a href="mailto:julian.reschke@greenbytes.de"><span class="email">julian.reschke@greenbytes.de</span></a></span><span class="vcardline">URI: <a href="http://greenbytes.de/tech/webdav/" class="url">http://greenbytes.de/tech/webdav/</a></span></address>
     694      </div>
     695      <h1 id="rfc.section.A" class="np"><a href="#rfc.section.A">A.</a>&nbsp;<a id="compatibility" href="#compatibility">Compatibility with Previous Versions</a></h1>
    703696      <h2 id="rfc.section.A.1"><a href="#rfc.section.A.1">A.1</a>&nbsp;<a id="changes.from.rfc.2616" href="#changes.from.rfc.2616">Changes from RFC 2616</a></h2>
    704697      <h1 id="rfc.section.B"><a href="#rfc.section.B">B.</a>&nbsp;Change Log (to be removed by RFC Editor before publication)
     
    723716         <li>Add explicit references to BNF syntax and rules imported from other parts of the specification.</li>
    724717      </ul>
     718      <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1>
     719      <p class="noprint"><a href="#rfc.index.4">4</a> <a href="#rfc.index.A">A</a> <a href="#rfc.index.G">G</a> <a href="#rfc.index.H">H</a> <a href="#rfc.index.P">P</a> <a href="#rfc.index.R">R</a> <a href="#rfc.index.S">S</a> <a href="#rfc.index.W">W</a>
     720      </p>
     721      <div class="print2col">
     722         <ul class="ind">
     723            <li><a id="rfc.index.4" href="#rfc.index.4"><b>4</b></a><ul>
     724                  <li>401 Unauthorized (status code)&nbsp;&nbsp;<a href="#rfc.iref.2"><b>3.1</b></a></li>
     725                  <li>407 Proxy Authentication Required (status code)&nbsp;&nbsp;<a href="#rfc.iref.3"><b>3.2</b></a></li>
     726               </ul>
     727            </li>
     728            <li><a id="rfc.index.A" href="#rfc.index.A"><b>A</b></a><ul>
     729                  <li>Authorization header&nbsp;&nbsp;<a href="#rfc.xref.header.authorization.1">3.1</a>, <a href="#rfc.iref.a.1"><b>4.1</b></a></li>
     730               </ul>
     731            </li>
     732            <li><a id="rfc.index.G" href="#rfc.index.G"><b>G</b></a><ul>
     733                  <li><tt>Grammar</tt>&nbsp;&nbsp;
     734                     <ul>
     735                        <li><tt>Authorization</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.3"><b>4.1</b></a></li>
     736                        <li><tt>challenge</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.1"><b>2</b></a></li>
     737                        <li><tt>credentials</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.2"><b>2</b></a></li>
     738                        <li><tt>Proxy-Authenticate</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.4"><b>4.2</b></a></li>
     739                        <li><tt>Proxy-Authorization</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.5"><b>4.3</b></a></li>
     740                        <li><tt>WWW-Authenticate</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.6"><b>4.4</b></a></li>
     741                     </ul>
     742                  </li>
     743               </ul>
     744            </li>
     745            <li><a id="rfc.index.H" href="#rfc.index.H"><b>H</b></a><ul>
     746                  <li>Headers&nbsp;&nbsp;
     747                     <ul>
     748                        <li>Authorization&nbsp;&nbsp;<a href="#rfc.xref.header.authorization.1">3.1</a>, <a href="#rfc.iref.h.1"><b>4.1</b></a></li>
     749                        <li>Proxy-Authenticate&nbsp;&nbsp;<a href="#rfc.xref.header.proxy-authenticate.1">3.2</a>, <a href="#rfc.iref.h.2"><b>4.2</b></a></li>
     750                        <li>Proxy-Authorization&nbsp;&nbsp;<a href="#rfc.xref.header.proxy-authorization.1">3.2</a>, <a href="#rfc.iref.h.3"><b>4.3</b></a></li>
     751                        <li>WWW-Authenticate&nbsp;&nbsp;<a href="#rfc.xref.header.www-authenticate.1">3.1</a>, <a href="#rfc.iref.h.4"><b>4.4</b></a></li>
     752                     </ul>
     753                  </li>
     754               </ul>
     755            </li>
     756            <li><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul>
     757                  <li><em>Part1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.1">2</a>, <a href="#Part1"><b>8.1</b></a><ul>
     758                        <li><em>Section 2.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.1">2</a></li>
     759                     </ul>
     760                  </li>
     761                  <li><em>Part6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">4.1</a>, <a href="#Part6"><b>8.1</b></a><ul>
     762                        <li><em>Section 9</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">4.1</a></li>
     763                     </ul>
     764                  </li>
     765                  <li>Proxy-Authenticate header&nbsp;&nbsp;<a href="#rfc.xref.header.proxy-authenticate.1">3.2</a>, <a href="#rfc.iref.p.1"><b>4.2</b></a></li>
     766                  <li>Proxy-Authorization header&nbsp;&nbsp;<a href="#rfc.xref.header.proxy-authorization.1">3.2</a>, <a href="#rfc.iref.p.2"><b>4.3</b></a></li>
     767               </ul>
     768            </li>
     769            <li><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul>
     770                  <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.1</a>, <a href="#RFC2119"><b>8.1</b></a></li>
     771                  <li><em>RFC2616</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.1">1</a>, <a href="#RFC2616"><b>8.2</b></a>, <a href="#rfc.xref.RFC2616.2">B.1</a></li>
     772                  <li><em>RFC2617</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2617.1">1</a>, <a href="#rfc.xref.RFC2617.2">1</a>, <a href="#rfc.xref.RFC2617.3">2</a>, <a href="#rfc.xref.RFC2617.4">2</a>, <a href="#rfc.xref.RFC2617.5">3.1</a>, <a href="#rfc.xref.RFC2617.6">3.2</a>, <a href="#rfc.xref.RFC2617.7">4.1</a>, <a href="#rfc.xref.RFC2617.8">4.2</a>, <a href="#rfc.xref.RFC2617.9">4.3</a>, <a href="#rfc.xref.RFC2617.10">4.4</a>, <a href="#RFC2617"><b>8.1</b></a><ul>
     773                        <li><em>Section 1.2</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2617.3">2</a>, <a href="#rfc.xref.RFC2617.4">2</a></li>
     774                     </ul>
     775                  </li>
     776               </ul>
     777            </li>
     778            <li><a id="rfc.index.S" href="#rfc.index.S"><b>S</b></a><ul>
     779                  <li>Status Codes&nbsp;&nbsp;
     780                     <ul>
     781                        <li>401 Unauthorized&nbsp;&nbsp;<a href="#rfc.iref.s.1"><b>3.1</b></a></li>
     782                        <li>407 Proxy Authentication Required&nbsp;&nbsp;<a href="#rfc.iref.s.2"><b>3.2</b></a></li>
     783                     </ul>
     784                  </li>
     785               </ul>
     786            </li>
     787            <li><a id="rfc.index.W" href="#rfc.index.W"><b>W</b></a><ul>
     788                  <li>WWW-Authenticate header&nbsp;&nbsp;<a href="#rfc.xref.header.www-authenticate.1">3.1</a>, <a href="#rfc.iref.w.1"><b>4.4</b></a></li>
     789               </ul>
     790            </li>
     791         </ul>
     792      </div>
    725793      <h1><a id="rfc.copyright" href="#rfc.copyright">Full Copyright Statement</a></h1>
     794      <p>Copyright © The IETF Trust (2008).</p>
    726795      <p>This document is subject to the rights, licenses and restrictions contained in BCP 78, and except as set forth therein, the
    727796         authors retain all their rights.
     
    741810      <p>Copies of IPR disclosures made to the IETF Secretariat and any assurances of licenses to be made available, or the result
    742811         of an attempt made to obtain a general license or permission for the use of such proprietary rights by implementers or users
    743          of this specification can be obtained from the IETF on-line IPR repository at &lt;<a href="http://www.ietf.org/ipr">http://www.ietf.org/ipr</a>&gt;.
     812         of this specification can be obtained from the IETF on-line IPR repository at <a href="http://www.ietf.org/ipr">http://www.ietf.org/ipr</a>.
    744813      </p>
    745814      <p>The IETF invites any interested party to bring to its attention any copyrights, patents or patent applications, or other proprietary
     
    747816         at <a href="mailto:ietf-ipr@ietf.org">ietf-ipr@ietf.org</a>.
    748817      </p>
    749       <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1>
    750       <p class="noprint"><a href="#rfc.index.4">4</a> <a href="#rfc.index.A">A</a> <a href="#rfc.index.G">G</a> <a href="#rfc.index.H">H</a> <a href="#rfc.index.P">P</a> <a href="#rfc.index.R">R</a> <a href="#rfc.index.S">S</a> <a href="#rfc.index.W">W</a>
    751       </p>
    752       <div class="print2col">
    753          <ul class="ind">
    754             <li class="indline0"><a id="rfc.index.4" href="#rfc.index.4"><b>4</b></a><ul class="ind">
    755                   <li class="indline1">401 Unauthorized (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.2"><b>3.1</b></a></li>
    756                   <li class="indline1">407 Proxy Authentication Required (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.3"><b>3.2</b></a></li>
    757                </ul>
    758             </li>
    759             <li class="indline0"><a id="rfc.index.A" href="#rfc.index.A"><b>A</b></a><ul class="ind">
    760                   <li class="indline1">Authorization header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.authorization.1">3.1</a>, <a class="iref" href="#rfc.iref.a.1"><b>4.1</b></a></li>
    761                </ul>
    762             </li>
    763             <li class="indline0"><a id="rfc.index.G" href="#rfc.index.G"><b>G</b></a><ul class="ind">
    764                   <li class="indline1"><tt>Grammar</tt>&nbsp;&nbsp;
    765                      <ul class="ind">
    766                         <li class="indline1"><tt>Authorization</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.3"><b>4.1</b></a></li>
    767                         <li class="indline1"><tt>challenge</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.1"><b>2</b></a></li>
    768                         <li class="indline1"><tt>credentials</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.2"><b>2</b></a></li>
    769                         <li class="indline1"><tt>Proxy-Authenticate</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.4"><b>4.2</b></a></li>
    770                         <li class="indline1"><tt>Proxy-Authorization</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.5"><b>4.3</b></a></li>
    771                         <li class="indline1"><tt>WWW-Authenticate</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.6"><b>4.4</b></a></li>
    772                      </ul>
    773                   </li>
    774                </ul>
    775             </li>
    776             <li class="indline0"><a id="rfc.index.H" href="#rfc.index.H"><b>H</b></a><ul class="ind">
    777                   <li class="indline1">Headers&nbsp;&nbsp;
    778                      <ul class="ind">
    779                         <li class="indline1">Authorization&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.authorization.1">3.1</a>, <a class="iref" href="#rfc.iref.h.1"><b>4.1</b></a></li>
    780                         <li class="indline1">Proxy-Authenticate&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.proxy-authenticate.1">3.2</a>, <a class="iref" href="#rfc.iref.h.2"><b>4.2</b></a></li>
    781                         <li class="indline1">Proxy-Authorization&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.proxy-authorization.1">3.2</a>, <a class="iref" href="#rfc.iref.h.3"><b>4.3</b></a></li>
    782                         <li class="indline1">WWW-Authenticate&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.www-authenticate.1">3.1</a>, <a class="iref" href="#rfc.iref.h.4"><b>4.4</b></a></li>
    783                      </ul>
    784                   </li>
    785                </ul>
    786             </li>
    787             <li class="indline0"><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul class="ind">
    788                   <li class="indline1"><em>Part1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.1">2</a>, <a class="iref" href="#Part1"><b>8.1</b></a><ul class="ind">
    789                         <li class="indline1"><em>Section 2.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.1">2</a></li>
    790                      </ul>
    791                   </li>
    792                   <li class="indline1"><em>Part6</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part6.1">4.1</a>, <a class="iref" href="#Part6"><b>8.1</b></a><ul class="ind">
    793                         <li class="indline1"><em>Section 9</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part6.1">4.1</a></li>
    794                      </ul>
    795                   </li>
    796                   <li class="indline1">Proxy-Authenticate header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.proxy-authenticate.1">3.2</a>, <a class="iref" href="#rfc.iref.p.1"><b>4.2</b></a></li>
    797                   <li class="indline1">Proxy-Authorization header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.proxy-authorization.1">3.2</a>, <a class="iref" href="#rfc.iref.p.2"><b>4.3</b></a></li>
    798                </ul>
    799             </li>
    800             <li class="indline0"><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul class="ind">
    801                   <li class="indline1"><em>RFC2119</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2119.1">1.1</a>, <a class="iref" href="#RFC2119"><b>8.1</b></a></li>
    802                   <li class="indline1"><em>RFC2616</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2616.1">1</a>, <a class="iref" href="#RFC2616"><b>8.2</b></a>, <a class="iref" href="#rfc.xref.RFC2616.2">B.1</a></li>
    803                   <li class="indline1"><em>RFC2617</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2617.1">1</a>, <a class="iref" href="#rfc.xref.RFC2617.2">1</a>, <a class="iref" href="#rfc.xref.RFC2617.3">2</a>, <a class="iref" href="#rfc.xref.RFC2617.4">2</a>, <a class="iref" href="#rfc.xref.RFC2617.5">3.1</a>, <a class="iref" href="#rfc.xref.RFC2617.6">3.2</a>, <a class="iref" href="#rfc.xref.RFC2617.7">4.1</a>, <a class="iref" href="#rfc.xref.RFC2617.8">4.2</a>, <a class="iref" href="#rfc.xref.RFC2617.9">4.3</a>, <a class="iref" href="#rfc.xref.RFC2617.10">4.4</a>, <a class="iref" href="#RFC2617"><b>8.1</b></a><ul class="ind">
    804                         <li class="indline1"><em>Section 1.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2617.3">2</a>, <a class="iref" href="#rfc.xref.RFC2617.4">2</a></li>
    805                      </ul>
    806                   </li>
    807                </ul>
    808             </li>
    809             <li class="indline0"><a id="rfc.index.S" href="#rfc.index.S"><b>S</b></a><ul class="ind">
    810                   <li class="indline1">Status Codes&nbsp;&nbsp;
    811                      <ul class="ind">
    812                         <li class="indline1">401 Unauthorized&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.1"><b>3.1</b></a></li>
    813                         <li class="indline1">407 Proxy Authentication Required&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.2"><b>3.2</b></a></li>
    814                      </ul>
    815                   </li>
    816                </ul>
    817             </li>
    818             <li class="indline0"><a id="rfc.index.W" href="#rfc.index.W"><b>W</b></a><ul class="ind">
    819                   <li class="indline1">WWW-Authenticate header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.www-authenticate.1">3.1</a>, <a class="iref" href="#rfc.iref.w.1"><b>4.4</b></a></li>
    820                </ul>
    821             </li>
    822          </ul>
    823       </div>
    824818   </body>
    825819</html>
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