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Timestamp:
01/01/11 17:23:02 (10 years ago)
Author:
julian.reschke@…
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bump up document dates, update to latest version of rfc2629.xslt

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  • draft-ietf-httpbis/02/p2-semantics.html

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    351342      <link rel="Appendix" title="A Compatibility with Previous Versions" href="#rfc.section.A">
    352343      <link rel="Appendix" title="B Change Log (to be removed by RFC Editor before publication)" href="#rfc.section.B">
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    354       <link rel="schema.DC" href="http://purl.org/dc/elements/1.1/">
    355       <meta name="DC.Creator" content="Fielding, R.">
    356       <meta name="DC.Creator" content="Gettys, J.">
    357       <meta name="DC.Creator" content="Mogul, J.">
    358       <meta name="DC.Creator" content="Frystyk, H.">
    359       <meta name="DC.Creator" content="Masinter, L.">
    360       <meta name="DC.Creator" content="Leach, P.">
    361       <meta name="DC.Creator" content="Berners-Lee, T.">
    362       <meta name="DC.Creator" content="Lafon, Y.">
    363       <meta name="DC.Creator" content="Reschke, J. F.">
    364       <meta name="DC.Identifier" content="urn:ietf:id:draft-ietf-httpbis-p2-semantics-02">
    365       <meta name="DC.Date.Issued" scheme="ISO8601" content="2008-02">
    366       <meta name="DC.Relation.Replaces" content="urn:ietf:rfc:2616">
    367       <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 2 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 2 defines the semantics of HTTP messages as expressed by request methods, request-header fields, response status codes, and response-header fields.">
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     345      <link rel="schema.dct" href="http://purl.org/dc/terms/">
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     348      <meta name="dct.creator" content="Mogul, J.">
     349      <meta name="dct.creator" content="Frystyk, H.">
     350      <meta name="dct.creator" content="Masinter, L.">
     351      <meta name="dct.creator" content="Leach, P.">
     352      <meta name="dct.creator" content="Berners-Lee, T.">
     353      <meta name="dct.creator" content="Lafon, Y.">
     354      <meta name="dct.creator" content="Reschke, J. F.">
     355      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p2-semantics-02">
     356      <meta name="dct.issued" scheme="ISO8601" content="2008-02-24">
     357      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
     358      <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 2 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 2 defines the semantics of HTTP messages as expressed by request methods, request-header fields, response status codes, and response-header fields.">
     359      <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 2 of the seven-part specification that defines the protocol referred to as &#34;HTTP/1.1&#34; and, taken together, obsoletes RFC 2616. Part 2 defines the semantics of HTTP messages as expressed by request methods, request-header fields, response status codes, and response-header fields.">
    368360   </head>
    369361   <body>
    370       <table summary="header information" class="header" border="0" cellpadding="1" cellspacing="1">
    371          <tr>
    372             <td class="header left">Network Working Group</td>
    373             <td class="header right">R. Fielding, Editor</td>
    374          </tr>
    375          <tr>
    376             <td class="header left">Internet Draft</td>
    377             <td class="header right">Day Software</td>
    378          </tr>
    379          <tr>
    380             <td class="header left">
    381                &lt;draft-ietf-httpbis-p2-semantics-02&gt;
    382                
    383             </td>
    384             <td class="header right">J. Gettys</td>
    385          </tr>
    386          <tr>
    387             <td class="header left">Obsoletes: <a href="http://tools.ietf.org/html/rfc2616">2616</a> (if approved)
    388             </td>
    389             <td class="header right">One Laptop per Child</td>
    390          </tr>
    391          <tr>
    392             <td class="header left">Intended status: Standards Track</td>
    393             <td class="header right">J. Mogul</td>
    394          </tr>
    395          <tr>
    396             <td class="header left">Expires: August 2008</td>
    397             <td class="header right">HP</td>
    398          </tr>
    399          <tr>
    400             <td class="header left"></td>
    401             <td class="header right">H. Frystyk</td>
    402          </tr>
    403          <tr>
    404             <td class="header left"></td>
    405             <td class="header right">Microsoft</td>
    406          </tr>
    407          <tr>
    408             <td class="header left"></td>
    409             <td class="header right">L. Masinter</td>
    410          </tr>
    411          <tr>
    412             <td class="header left"></td>
    413             <td class="header right">Adobe Systems</td>
    414          </tr>
    415          <tr>
    416             <td class="header left"></td>
    417             <td class="header right">P. Leach</td>
    418          </tr>
    419          <tr>
    420             <td class="header left"></td>
    421             <td class="header right">Microsoft</td>
    422          </tr>
    423          <tr>
    424             <td class="header left"></td>
    425             <td class="header right">T. Berners-Lee</td>
    426          </tr>
    427          <tr>
    428             <td class="header left"></td>
    429             <td class="header right">W3C/MIT</td>
    430          </tr>
    431          <tr>
    432             <td class="header left"></td>
    433             <td class="header right">Y. Lafon, Editor</td>
    434          </tr>
    435          <tr>
    436             <td class="header left"></td>
    437             <td class="header right">W3C</td>
    438          </tr>
    439          <tr>
    440             <td class="header left"></td>
    441             <td class="header right">J. F. Reschke, Editor</td>
    442          </tr>
    443          <tr>
    444             <td class="header left"></td>
    445             <td class="header right">greenbytes</td>
    446          </tr>
    447          <tr>
    448             <td class="header left"></td>
    449             <td class="header right">February 24, 2008</td>
    450          </tr>
     362      <table class="header">
     363         <tbody>
     364            <tr>
     365               <td class="left">Network Working Group</td>
     366               <td class="right">R. Fielding, Editor</td>
     367            </tr>
     368            <tr>
     369               <td class="left">Internet-Draft</td>
     370               <td class="right">Day Software</td>
     371            </tr>
     372            <tr>
     373               <td class="left">Obsoletes: <a href="http://tools.ietf.org/html/rfc2616">2616</a> (if approved)
     374               </td>
     375               <td class="right">J. Gettys</td>
     376            </tr>
     377            <tr>
     378               <td class="left">Intended status: Standards Track</td>
     379               <td class="right">One Laptop per Child</td>
     380            </tr>
     381            <tr>
     382               <td class="left">Expires: August 27, 2008</td>
     383               <td class="right">J. Mogul</td>
     384            </tr>
     385            <tr>
     386               <td class="left"></td>
     387               <td class="right">HP</td>
     388            </tr>
     389            <tr>
     390               <td class="left"></td>
     391               <td class="right">H. Frystyk</td>
     392            </tr>
     393            <tr>
     394               <td class="left"></td>
     395               <td class="right">Microsoft</td>
     396            </tr>
     397            <tr>
     398               <td class="left"></td>
     399               <td class="right">L. Masinter</td>
     400            </tr>
     401            <tr>
     402               <td class="left"></td>
     403               <td class="right">Adobe Systems</td>
     404            </tr>
     405            <tr>
     406               <td class="left"></td>
     407               <td class="right">P. Leach</td>
     408            </tr>
     409            <tr>
     410               <td class="left"></td>
     411               <td class="right">Microsoft</td>
     412            </tr>
     413            <tr>
     414               <td class="left"></td>
     415               <td class="right">T. Berners-Lee</td>
     416            </tr>
     417            <tr>
     418               <td class="left"></td>
     419               <td class="right">W3C/MIT</td>
     420            </tr>
     421            <tr>
     422               <td class="left"></td>
     423               <td class="right">Y. Lafon, Editor</td>
     424            </tr>
     425            <tr>
     426               <td class="left"></td>
     427               <td class="right">W3C</td>
     428            </tr>
     429            <tr>
     430               <td class="left"></td>
     431               <td class="right">J. Reschke, Editor</td>
     432            </tr>
     433            <tr>
     434               <td class="left"></td>
     435               <td class="right">greenbytes</td>
     436            </tr>
     437            <tr>
     438               <td class="left"></td>
     439               <td class="right">February 24, 2008</td>
     440            </tr>
     441         </tbody>
    451442      </table>
    452443      <p class="title">HTTP/1.1, part 2: Message Semantics<br><span class="filename">draft-ietf-httpbis-p2-semantics-02</span></p>
     
    463454         in progress”.
    464455      </p>
    465       <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;.
    466       </p>
    467       <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;.
    468       </p>
    469       <p>This Internet-Draft will expire in August 2008.</p>
     456      <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>.
     457      </p>
     458      <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>.
     459      </p>
     460      <p>This Internet-Draft will expire on August 27, 2008.</p>
    470461      <h1 id="rfc.abstract"><a href="#rfc.abstract">Abstract</a></h1>
    471462      <p>The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information
     
    484475      <h1 class="np" id="rfc.toc"><a href="#rfc.toc">Table of Contents</a></h1>
    485476      <ul class="toc">
    486          <li class="tocline0">1.&nbsp;&nbsp;&nbsp;<a href="#introduction">Introduction</a><ul class="toc">
    487                <li class="tocline1">1.1&nbsp;&nbsp;&nbsp;<a href="#intro.requirements">Requirements</a></li>
     477         <li>1.&nbsp;&nbsp;&nbsp;<a href="#introduction">Introduction</a><ul>
     478               <li>1.1&nbsp;&nbsp;&nbsp;<a href="#intro.requirements">Requirements</a></li>
    488479            </ul>
    489480         </li>
    490          <li class="tocline0">2.&nbsp;&nbsp;&nbsp;<a href="#notation">Notational Conventions and Generic Grammar</a></li>
    491          <li class="tocline0">3.&nbsp;&nbsp;&nbsp;<a href="#method">Method</a></li>
    492          <li class="tocline0">4.&nbsp;&nbsp;&nbsp;<a href="#request.header.fields">Request Header Fields</a></li>
    493          <li class="tocline0">5.&nbsp;&nbsp;&nbsp;<a href="#status.code.and.reason.phrase">Status Code and Reason Phrase</a></li>
    494          <li class="tocline0">6.&nbsp;&nbsp;&nbsp;<a href="#response.header.fields">Response Header Fields</a></li>
    495          <li class="tocline0">7.&nbsp;&nbsp;&nbsp;<a href="#entity">Entity</a></li>
    496          <li class="tocline0">8.&nbsp;&nbsp;&nbsp;<a href="#method.definitions">Method Definitions</a><ul class="toc">
    497                <li class="tocline1">8.1&nbsp;&nbsp;&nbsp;<a href="#safe.and.idempotent">Safe and Idempotent Methods</a><ul class="toc">
    498                      <li class="tocline1">8.1.1&nbsp;&nbsp;&nbsp;<a href="#safe.methods">Safe Methods</a></li>
    499                      <li class="tocline1">8.1.2&nbsp;&nbsp;&nbsp;<a href="#idempotent.methods">Idempotent Methods</a></li>
     481         <li>2.&nbsp;&nbsp;&nbsp;<a href="#notation">Notational Conventions and Generic Grammar</a></li>
     482         <li>3.&nbsp;&nbsp;&nbsp;<a href="#method">Method</a></li>
     483         <li>4.&nbsp;&nbsp;&nbsp;<a href="#request.header.fields">Request Header Fields</a></li>
     484         <li>5.&nbsp;&nbsp;&nbsp;<a href="#status.code.and.reason.phrase">Status Code and Reason Phrase</a></li>
     485         <li>6.&nbsp;&nbsp;&nbsp;<a href="#response.header.fields">Response Header Fields</a></li>
     486         <li>7.&nbsp;&nbsp;&nbsp;<a href="#entity">Entity</a></li>
     487         <li>8.&nbsp;&nbsp;&nbsp;<a href="#method.definitions">Method Definitions</a><ul>
     488               <li>8.1&nbsp;&nbsp;&nbsp;<a href="#safe.and.idempotent">Safe and Idempotent Methods</a><ul>
     489                     <li>8.1.1&nbsp;&nbsp;&nbsp;<a href="#safe.methods">Safe Methods</a></li>
     490                     <li>8.1.2&nbsp;&nbsp;&nbsp;<a href="#idempotent.methods">Idempotent Methods</a></li>
    500491                  </ul>
    501492               </li>
    502                <li class="tocline1">8.2&nbsp;&nbsp;&nbsp;<a href="#OPTIONS">OPTIONS</a></li>
    503                <li class="tocline1">8.3&nbsp;&nbsp;&nbsp;<a href="#GET">GET</a></li>
    504                <li class="tocline1">8.4&nbsp;&nbsp;&nbsp;<a href="#HEAD">HEAD</a></li>
    505                <li class="tocline1">8.5&nbsp;&nbsp;&nbsp;<a href="#POST">POST</a></li>
    506                <li class="tocline1">8.6&nbsp;&nbsp;&nbsp;<a href="#PUT">PUT</a></li>
    507                <li class="tocline1">8.7&nbsp;&nbsp;&nbsp;<a href="#DELETE">DELETE</a></li>
    508                <li class="tocline1">8.8&nbsp;&nbsp;&nbsp;<a href="#TRACE">TRACE</a></li>
    509                <li class="tocline1">8.9&nbsp;&nbsp;&nbsp;<a href="#CONNECT">CONNECT</a></li>
     493               <li>8.2&nbsp;&nbsp;&nbsp;<a href="#OPTIONS">OPTIONS</a></li>
     494               <li>8.3&nbsp;&nbsp;&nbsp;<a href="#GET">GET</a></li>
     495               <li>8.4&nbsp;&nbsp;&nbsp;<a href="#HEAD">HEAD</a></li>
     496               <li>8.5&nbsp;&nbsp;&nbsp;<a href="#POST">POST</a></li>
     497               <li>8.6&nbsp;&nbsp;&nbsp;<a href="#PUT">PUT</a></li>
     498               <li>8.7&nbsp;&nbsp;&nbsp;<a href="#DELETE">DELETE</a></li>
     499               <li>8.8&nbsp;&nbsp;&nbsp;<a href="#TRACE">TRACE</a></li>
     500               <li>8.9&nbsp;&nbsp;&nbsp;<a href="#CONNECT">CONNECT</a></li>
    510501            </ul>
    511502         </li>
    512          <li class="tocline0">9.&nbsp;&nbsp;&nbsp;<a href="#status.codes">Status Code Definitions</a><ul class="toc">
    513                <li class="tocline1">9.1&nbsp;&nbsp;&nbsp;<a href="#status.1xx">Informational 1xx</a><ul class="toc">
    514                      <li class="tocline1">9.1.1&nbsp;&nbsp;&nbsp;<a href="#status.100">100 Continue</a></li>
    515                      <li class="tocline1">9.1.2&nbsp;&nbsp;&nbsp;<a href="#status.101">101 Switching Protocols</a></li>
     503         <li>9.&nbsp;&nbsp;&nbsp;<a href="#status.codes">Status Code Definitions</a><ul>
     504               <li>9.1&nbsp;&nbsp;&nbsp;<a href="#status.1xx">Informational 1xx</a><ul>
     505                     <li>9.1.1&nbsp;&nbsp;&nbsp;<a href="#status.100">100 Continue</a></li>
     506                     <li>9.1.2&nbsp;&nbsp;&nbsp;<a href="#status.101">101 Switching Protocols</a></li>
    516507                  </ul>
    517508               </li>
    518                <li class="tocline1">9.2&nbsp;&nbsp;&nbsp;<a href="#status.2xx">Successful 2xx</a><ul class="toc">
    519                      <li class="tocline1">9.2.1&nbsp;&nbsp;&nbsp;<a href="#status.200">200 OK</a></li>
    520                      <li class="tocline1">9.2.2&nbsp;&nbsp;&nbsp;<a href="#status.201">201 Created</a></li>
    521                      <li class="tocline1">9.2.3&nbsp;&nbsp;&nbsp;<a href="#status.202">202 Accepted</a></li>
    522                      <li class="tocline1">9.2.4&nbsp;&nbsp;&nbsp;<a href="#status.203">203 Non-Authoritative Information</a></li>
    523                      <li class="tocline1">9.2.5&nbsp;&nbsp;&nbsp;<a href="#status.204">204 No Content</a></li>
    524                      <li class="tocline1">9.2.6&nbsp;&nbsp;&nbsp;<a href="#status.205">205 Reset Content</a></li>
    525                      <li class="tocline1">9.2.7&nbsp;&nbsp;&nbsp;<a href="#status.206">206 Partial Content</a></li>
     509               <li>9.2&nbsp;&nbsp;&nbsp;<a href="#status.2xx">Successful 2xx</a><ul>
     510                     <li>9.2.1&nbsp;&nbsp;&nbsp;<a href="#status.200">200 OK</a></li>
     511                     <li>9.2.2&nbsp;&nbsp;&nbsp;<a href="#status.201">201 Created</a></li>
     512                     <li>9.2.3&nbsp;&nbsp;&nbsp;<a href="#status.202">202 Accepted</a></li>
     513                     <li>9.2.4&nbsp;&nbsp;&nbsp;<a href="#status.203">203 Non-Authoritative Information</a></li>
     514                     <li>9.2.5&nbsp;&nbsp;&nbsp;<a href="#status.204">204 No Content</a></li>
     515                     <li>9.2.6&nbsp;&nbsp;&nbsp;<a href="#status.205">205 Reset Content</a></li>
     516                     <li>9.2.7&nbsp;&nbsp;&nbsp;<a href="#status.206">206 Partial Content</a></li>
    526517                  </ul>
    527518               </li>
    528                <li class="tocline1">9.3&nbsp;&nbsp;&nbsp;<a href="#status.3xx">Redirection 3xx</a><ul class="toc">
    529                      <li class="tocline1">9.3.1&nbsp;&nbsp;&nbsp;<a href="#status.300">300 Multiple Choices</a></li>
    530                      <li class="tocline1">9.3.2&nbsp;&nbsp;&nbsp;<a href="#status.301">301 Moved Permanently</a></li>
    531                      <li class="tocline1">9.3.3&nbsp;&nbsp;&nbsp;<a href="#status.302">302 Found</a></li>
    532                      <li class="tocline1">9.3.4&nbsp;&nbsp;&nbsp;<a href="#status.303">303 See Other</a></li>
    533                      <li class="tocline1">9.3.5&nbsp;&nbsp;&nbsp;<a href="#status.304">304 Not Modified</a></li>
    534                      <li class="tocline1">9.3.6&nbsp;&nbsp;&nbsp;<a href="#status.305">305 Use Proxy</a></li>
    535                      <li class="tocline1">9.3.7&nbsp;&nbsp;&nbsp;<a href="#status.306">306 (Unused)</a></li>
    536                      <li class="tocline1">9.3.8&nbsp;&nbsp;&nbsp;<a href="#status.307">307 Temporary Redirect</a></li>
     519               <li>9.3&nbsp;&nbsp;&nbsp;<a href="#status.3xx">Redirection 3xx</a><ul>
     520                     <li>9.3.1&nbsp;&nbsp;&nbsp;<a href="#status.300">300 Multiple Choices</a></li>
     521                     <li>9.3.2&nbsp;&nbsp;&nbsp;<a href="#status.301">301 Moved Permanently</a></li>
     522                     <li>9.3.3&nbsp;&nbsp;&nbsp;<a href="#status.302">302 Found</a></li>
     523                     <li>9.3.4&nbsp;&nbsp;&nbsp;<a href="#status.303">303 See Other</a></li>
     524                     <li>9.3.5&nbsp;&nbsp;&nbsp;<a href="#status.304">304 Not Modified</a></li>
     525                     <li>9.3.6&nbsp;&nbsp;&nbsp;<a href="#status.305">305 Use Proxy</a></li>
     526                     <li>9.3.7&nbsp;&nbsp;&nbsp;<a href="#status.306">306 (Unused)</a></li>
     527                     <li>9.3.8&nbsp;&nbsp;&nbsp;<a href="#status.307">307 Temporary Redirect</a></li>
    537528                  </ul>
    538529               </li>
    539                <li class="tocline1">9.4&nbsp;&nbsp;&nbsp;<a href="#status.4xx">Client Error 4xx</a><ul class="toc">
    540                      <li class="tocline1">9.4.1&nbsp;&nbsp;&nbsp;<a href="#status.400">400 Bad Request</a></li>
    541                      <li class="tocline1">9.4.2&nbsp;&nbsp;&nbsp;<a href="#status.401">401 Unauthorized</a></li>
    542                      <li class="tocline1">9.4.3&nbsp;&nbsp;&nbsp;<a href="#status.402">402 Payment Required</a></li>
    543                      <li class="tocline1">9.4.4&nbsp;&nbsp;&nbsp;<a href="#status.403">403 Forbidden</a></li>
    544                      <li class="tocline1">9.4.5&nbsp;&nbsp;&nbsp;<a href="#status.404">404 Not Found</a></li>
    545                      <li class="tocline1">9.4.6&nbsp;&nbsp;&nbsp;<a href="#status.405">405 Method Not Allowed</a></li>
    546                      <li class="tocline1">9.4.7&nbsp;&nbsp;&nbsp;<a href="#status.406">406 Not Acceptable</a></li>
    547                      <li class="tocline1">9.4.8&nbsp;&nbsp;&nbsp;<a href="#status.407">407 Proxy Authentication Required</a></li>
    548                      <li class="tocline1">9.4.9&nbsp;&nbsp;&nbsp;<a href="#status.408">408 Request Timeout</a></li>
    549                      <li class="tocline1">9.4.10&nbsp;&nbsp;&nbsp;<a href="#status.409">409 Conflict</a></li>
    550                      <li class="tocline1">9.4.11&nbsp;&nbsp;&nbsp;<a href="#status.410">410 Gone</a></li>
    551                      <li class="tocline1">9.4.12&nbsp;&nbsp;&nbsp;<a href="#status.411">411 Length Required</a></li>
    552                      <li class="tocline1">9.4.13&nbsp;&nbsp;&nbsp;<a href="#status.412">412 Precondition Failed</a></li>
    553                      <li class="tocline1">9.4.14&nbsp;&nbsp;&nbsp;<a href="#status.413">413 Request Entity Too Large</a></li>
    554                      <li class="tocline1">9.4.15&nbsp;&nbsp;&nbsp;<a href="#status.414">414 Request-URI Too Long</a></li>
    555                      <li class="tocline1">9.4.16&nbsp;&nbsp;&nbsp;<a href="#status.415">415 Unsupported Media Type</a></li>
    556                      <li class="tocline1">9.4.17&nbsp;&nbsp;&nbsp;<a href="#status.416">416 Requested Range Not Satisfiable</a></li>
    557                      <li class="tocline1">9.4.18&nbsp;&nbsp;&nbsp;<a href="#status.417">417 Expectation Failed</a></li>
     530               <li>9.4&nbsp;&nbsp;&nbsp;<a href="#status.4xx">Client Error 4xx</a><ul>
     531                     <li>9.4.1&nbsp;&nbsp;&nbsp;<a href="#status.400">400 Bad Request</a></li>
     532                     <li>9.4.2&nbsp;&nbsp;&nbsp;<a href="#status.401">401 Unauthorized</a></li>
     533                     <li>9.4.3&nbsp;&nbsp;&nbsp;<a href="#status.402">402 Payment Required</a></li>
     534                     <li>9.4.4&nbsp;&nbsp;&nbsp;<a href="#status.403">403 Forbidden</a></li>
     535                     <li>9.4.5&nbsp;&nbsp;&nbsp;<a href="#status.404">404 Not Found</a></li>
     536                     <li>9.4.6&nbsp;&nbsp;&nbsp;<a href="#status.405">405 Method Not Allowed</a></li>
     537                     <li>9.4.7&nbsp;&nbsp;&nbsp;<a href="#status.406">406 Not Acceptable</a></li>
     538                     <li>9.4.8&nbsp;&nbsp;&nbsp;<a href="#status.407">407 Proxy Authentication Required</a></li>
     539                     <li>9.4.9&nbsp;&nbsp;&nbsp;<a href="#status.408">408 Request Timeout</a></li>
     540                     <li>9.4.10&nbsp;&nbsp;&nbsp;<a href="#status.409">409 Conflict</a></li>
     541                     <li>9.4.11&nbsp;&nbsp;&nbsp;<a href="#status.410">410 Gone</a></li>
     542                     <li>9.4.12&nbsp;&nbsp;&nbsp;<a href="#status.411">411 Length Required</a></li>
     543                     <li>9.4.13&nbsp;&nbsp;&nbsp;<a href="#status.412">412 Precondition Failed</a></li>
     544                     <li>9.4.14&nbsp;&nbsp;&nbsp;<a href="#status.413">413 Request Entity Too Large</a></li>
     545                     <li>9.4.15&nbsp;&nbsp;&nbsp;<a href="#status.414">414 Request-URI Too Long</a></li>
     546                     <li>9.4.16&nbsp;&nbsp;&nbsp;<a href="#status.415">415 Unsupported Media Type</a></li>
     547                     <li>9.4.17&nbsp;&nbsp;&nbsp;<a href="#status.416">416 Requested Range Not Satisfiable</a></li>
     548                     <li>9.4.18&nbsp;&nbsp;&nbsp;<a href="#status.417">417 Expectation Failed</a></li>
    558549                  </ul>
    559550               </li>
    560                <li class="tocline1">9.5&nbsp;&nbsp;&nbsp;<a href="#status.5xx">Server Error 5xx</a><ul class="toc">
    561                      <li class="tocline1">9.5.1&nbsp;&nbsp;&nbsp;<a href="#status.500">500 Internal Server Error</a></li>
    562                      <li class="tocline1">9.5.2&nbsp;&nbsp;&nbsp;<a href="#status.501">501 Not Implemented</a></li>
    563                      <li class="tocline1">9.5.3&nbsp;&nbsp;&nbsp;<a href="#status.502">502 Bad Gateway</a></li>
    564                      <li class="tocline1">9.5.4&nbsp;&nbsp;&nbsp;<a href="#status.503">503 Service Unavailable</a></li>
    565                      <li class="tocline1">9.5.5&nbsp;&nbsp;&nbsp;<a href="#status.504">504 Gateway Timeout</a></li>
    566                      <li class="tocline1">9.5.6&nbsp;&nbsp;&nbsp;<a href="#status.505">505 HTTP Version Not Supported</a></li>
     551               <li>9.5&nbsp;&nbsp;&nbsp;<a href="#status.5xx">Server Error 5xx</a><ul>
     552                     <li>9.5.1&nbsp;&nbsp;&nbsp;<a href="#status.500">500 Internal Server Error</a></li>
     553                     <li>9.5.2&nbsp;&nbsp;&nbsp;<a href="#status.501">501 Not Implemented</a></li>
     554                     <li>9.5.3&nbsp;&nbsp;&nbsp;<a href="#status.502">502 Bad Gateway</a></li>
     555                     <li>9.5.4&nbsp;&nbsp;&nbsp;<a href="#status.503">503 Service Unavailable</a></li>
     556                     <li>9.5.5&nbsp;&nbsp;&nbsp;<a href="#status.504">504 Gateway Timeout</a></li>
     557                     <li>9.5.6&nbsp;&nbsp;&nbsp;<a href="#status.505">505 HTTP Version Not Supported</a></li>
    567558                  </ul>
    568559               </li>
    569560            </ul>
    570561         </li>
    571          <li class="tocline0">10.&nbsp;&nbsp;&nbsp;<a href="#header.fields">Header Field Definitions</a><ul class="toc">
    572                <li class="tocline1">10.1&nbsp;&nbsp;&nbsp;<a href="#header.allow">Allow</a></li>
    573                <li class="tocline1">10.2&nbsp;&nbsp;&nbsp;<a href="#header.expect">Expect</a></li>
    574                <li class="tocline1">10.3&nbsp;&nbsp;&nbsp;<a href="#header.from">From</a></li>
    575                <li class="tocline1">10.4&nbsp;&nbsp;&nbsp;<a href="#header.location">Location</a></li>
    576                <li class="tocline1">10.5&nbsp;&nbsp;&nbsp;<a href="#header.max-forwards">Max-Forwards</a></li>
    577                <li class="tocline1">10.6&nbsp;&nbsp;&nbsp;<a href="#header.referer">Referer</a></li>
    578                <li class="tocline1">10.7&nbsp;&nbsp;&nbsp;<a href="#header.retry-after">Retry-After</a></li>
    579                <li class="tocline1">10.8&nbsp;&nbsp;&nbsp;<a href="#header.server">Server</a></li>
    580                <li class="tocline1">10.9&nbsp;&nbsp;&nbsp;<a href="#header.user-agent">User-Agent</a></li>
     562         <li>10.&nbsp;&nbsp;&nbsp;<a href="#header.fields">Header Field Definitions</a><ul>
     563               <li>10.1&nbsp;&nbsp;&nbsp;<a href="#header.allow">Allow</a></li>
     564               <li>10.2&nbsp;&nbsp;&nbsp;<a href="#header.expect">Expect</a></li>
     565               <li>10.3&nbsp;&nbsp;&nbsp;<a href="#header.from">From</a></li>
     566               <li>10.4&nbsp;&nbsp;&nbsp;<a href="#header.location">Location</a></li>
     567               <li>10.5&nbsp;&nbsp;&nbsp;<a href="#header.max-forwards">Max-Forwards</a></li>
     568               <li>10.6&nbsp;&nbsp;&nbsp;<a href="#header.referer">Referer</a></li>
     569               <li>10.7&nbsp;&nbsp;&nbsp;<a href="#header.retry-after">Retry-After</a></li>
     570               <li>10.8&nbsp;&nbsp;&nbsp;<a href="#header.server">Server</a></li>
     571               <li>10.9&nbsp;&nbsp;&nbsp;<a href="#header.user-agent">User-Agent</a></li>
    581572            </ul>
    582573         </li>
    583          <li class="tocline0">11.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a></li>
    584          <li class="tocline0">12.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a><ul class="toc">
    585                <li class="tocline1">12.1&nbsp;&nbsp;&nbsp;<a href="#security.sensitive">Transfer of Sensitive Information</a></li>
    586                <li class="tocline1">12.2&nbsp;&nbsp;&nbsp;<a href="#encoding.sensitive.information.in.uris">Encoding Sensitive Information in URIs</a></li>
    587                <li class="tocline1">12.3&nbsp;&nbsp;&nbsp;<a href="#location.spoofing">Location Headers and Spoofing</a></li>
     574         <li>11.&nbsp;&nbsp;&nbsp;<a href="#IANA.considerations">IANA Considerations</a></li>
     575         <li>12.&nbsp;&nbsp;&nbsp;<a href="#security.considerations">Security Considerations</a><ul>
     576               <li>12.1&nbsp;&nbsp;&nbsp;<a href="#security.sensitive">Transfer of Sensitive Information</a></li>
     577               <li>12.2&nbsp;&nbsp;&nbsp;<a href="#encoding.sensitive.information.in.uris">Encoding Sensitive Information in URIs</a></li>
     578               <li>12.3&nbsp;&nbsp;&nbsp;<a href="#location.spoofing">Location Headers and Spoofing</a></li>
    588579            </ul>
    589580         </li>
    590          <li class="tocline0">13.&nbsp;&nbsp;&nbsp;<a href="#ack">Acknowledgments</a></li>
    591          <li class="tocline0">14.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul class="toc">
    592                <li class="tocline1">14.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
    593                <li class="tocline1">14.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
     581         <li>13.&nbsp;&nbsp;&nbsp;<a href="#ack">Acknowledgments</a></li>
     582         <li>14.&nbsp;&nbsp;&nbsp;<a href="#rfc.references">References</a><ul>
     583               <li>14.1&nbsp;&nbsp;&nbsp;<a href="#rfc.references.1">Normative References</a></li>
     584               <li>14.2&nbsp;&nbsp;&nbsp;<a href="#rfc.references.2">Informative References</a></li>
    594585            </ul>
    595586         </li>
    596          <li class="tocline0"><a href="#rfc.authors">Authors' Addresses</a></li>
    597          <li class="tocline0">A.&nbsp;&nbsp;&nbsp;<a href="#compatibility">Compatibility with Previous Versions</a><ul class="toc">
    598                <li class="tocline1">A.1&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2068">Changes from RFC 2068</a></li>
    599                <li class="tocline1">A.2&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2616">Changes from RFC 2616</a></li>
     587         <li><a href="#rfc.authors">Authors' Addresses</a></li>
     588         <li>A.&nbsp;&nbsp;&nbsp;<a href="#compatibility">Compatibility with Previous Versions</a><ul>
     589               <li>A.1&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2068">Changes from RFC 2068</a></li>
     590               <li>A.2&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2616">Changes from RFC 2616</a></li>
    600591            </ul>
    601592         </li>
    602          <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">
    603                <li class="tocline1">B.1&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.1">Since RFC2616</a></li>
    604                <li class="tocline1">B.2&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.2">Since draft-ietf-httpbis-p2-semantics-00</a></li>
    605                <li class="tocline1">B.3&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.3">Since draft-ietf-httpbis-p2-semantics-01</a></li>
     593         <li>B.&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B">Change Log (to be removed by RFC Editor before publication)</a><ul>
     594               <li>B.1&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.1">Since RFC2616</a></li>
     595               <li>B.2&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.2">Since draft-ietf-httpbis-p2-semantics-00</a></li>
     596               <li>B.3&nbsp;&nbsp;&nbsp;<a href="#rfc.section.B.3">Since draft-ietf-httpbis-p2-semantics-01</a></li>
    606597            </ul>
    607598         </li>
    608          <li class="tocline0"><a href="#rfc.ipr">Intellectual Property and Copyright Statements</a></li>
    609          <li class="tocline0"><a href="#rfc.index">Index</a></li>
     599         <li><a href="#rfc.index">Index</a></li>
     600         <li><a href="#rfc.ipr">Intellectual Property and Copyright Statements</a></li>
    610601      </ul>
    611602      <h1 id="rfc.section.1" class="np"><a href="#rfc.section.1">1.</a>&nbsp;<a id="introduction" href="#introduction">Introduction</a></h1>
     
    628619      </p>
    629620      <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>
    630       <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.Part1.2"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> and the core rules defined in <a href="p1-messaging.html#basic.rules" title="Basic Rules">Section 2.2</a> of <a href="#Part1" id="rfc.xref.Part1.3"><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>
     621      <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.Part1.2"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> and the core rules defined in <a href="p1-messaging.html#basic.rules" title="Basic Rules">Section 2.2</a> of <a href="#Part1" id="rfc.xref.Part1.3"><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>
    631622      </p>
    632623      <div id="rfc.figure.u.1"></div><pre class="inline">  DIGIT         = &lt;DIGIT, defined in <a href="#Part1" id="rfc.xref.Part1.4"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, <a href="p1-messaging.html#basic.rules" title="Basic Rules">Section 2.2</a>&gt;
     
    10851076         GET or HEAD. A client <em class="bcp14">SHOULD</em> detect infinite redirection loops, since such loops generate network traffic for each redirection.
    10861077      </p>
    1087       <dl class="empty">
    1088          <dd> <b>Note:</b> previous versions of this specification recommended a maximum of five redirections. Content developers should be aware that
     1078      <ul class="empty">
     1079         <li> <b>Note:</b> previous versions of this specification recommended a maximum of five redirections. Content developers should be aware that
    10891080            there might be clients that implement such a fixed limitation.
    1090          </dd>
    1091       </dl>
     1081         </li>
     1082      </ul>
    10921083      <div id="rfc.iref.32"></div>
    10931084      <div id="rfc.iref.s.10"></div>
     
    11141105         the request was issued.
    11151106      </p>
    1116       <dl class="empty">
    1117          <dd> <b>Note:</b> When automatically redirecting a POST request after receiving a 301 status code, some existing HTTP/1.0 user agents will erroneously
     1107      <ul class="empty">
     1108         <li> <b>Note:</b> When automatically redirecting a POST request after receiving a 301 status code, some existing HTTP/1.0 user agents will erroneously
    11181109            change it into a GET request.
    1119          </dd>
    1120       </dl>
     1110         </li>
     1111      </ul>
    11211112      <div id="rfc.iref.34"></div>
    11221113      <div id="rfc.iref.s.12"></div>
     
    11311122         the request was issued.
    11321123      </p>
    1133       <dl class="empty">
    1134          <dd> <b>Note:</b>  <a href="#RFC1945" id="rfc.xref.RFC1945.1"><cite title="Hypertext Transfer Protocol -- HTTP/1.0">[RFC1945]</cite></a> and <a href="#RFC2068" id="rfc.xref.RFC2068.1"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a> specify that the client is not allowed to change the method on the redirected request. However, most existing user agent implementations
     1124      <ul class="empty">
     1125         <li> <b>Note:</b>  <a href="#RFC1945" id="rfc.xref.RFC1945.1"><cite title="Hypertext Transfer Protocol -- HTTP/1.0">[RFC1945]</cite></a> and <a href="#RFC2068" id="rfc.xref.RFC2068.1"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a> specify that the client is not allowed to change the method on the redirected request. However, most existing user agent implementations
    11351126            treat 302 as if it were a 303 response, performing a GET on the Location field-value regardless of the original request method.
    11361127            The status codes 303 and 307 have been added for servers that wish to make unambiguously clear which kind of reaction is expected
    11371128            of the client.
    1138          </dd>
    1139       </dl>
     1129         </li>
     1130      </ul>
    11401131      <div id="rfc.iref.35"></div>
    11411132      <div id="rfc.iref.s.13"></div>
     
    11471138      <p id="rfc.section.9.3.4.p.2">The different URI <em class="bcp14">SHOULD</em> be given by the Location field in the response. Unless the request method was HEAD, the entity of the response <em class="bcp14">SHOULD</em> contain a short hypertext note with a hyperlink to the new URI(s).
    11481139      </p>
    1149       <dl class="empty">
    1150          <dd> <b>Note:</b> Many pre-HTTP/1.1 user agents do not understand the 303 status. When interoperability with such clients is a concern, the
     1140      <ul class="empty">
     1141         <li> <b>Note:</b> Many pre-HTTP/1.1 user agents do not understand the 303 status. When interoperability with such clients is a concern, the
    11511142            302 status code may be used instead, since most user agents react to a 302 response as described here for 303.
    1152          </dd>
    1153       </dl>
     1143         </li>
     1144      </ul>
    11541145      <div id="rfc.iref.36"></div>
    11551146      <div id="rfc.iref.s.14"></div>
     
    11641155         expected to repeat this single request via the proxy. 305 responses <em class="bcp14">MUST</em> only be generated by origin servers.
    11651156      </p>
    1166       <dl class="empty">
    1167          <dd> <b>Note:</b>  <a href="#RFC2068" id="rfc.xref.RFC2068.2"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a> was not clear that 305 was intended to redirect a single request, and to be generated by origin servers only. Not observing
     1157      <ul class="empty">
     1158         <li> <b>Note:</b>  <a href="#RFC2068" id="rfc.xref.RFC2068.2"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a> was not clear that 305 was intended to redirect a single request, and to be generated by origin servers only. Not observing
    11681159            these limitations has significant security consequences.
    1169          </dd>
    1170       </dl>
     1160         </li>
     1161      </ul>
    11711162      <div id="rfc.iref.38"></div>
    11721163      <div id="rfc.iref.s.16"></div>
     
    12391230         Depending upon the format and the capabilities of the user agent, selection of the most appropriate choice <em class="bcp14">MAY</em> be performed automatically. However, this specification does not define any standard for such automatic selection.
    12401231      </p>
    1241       <dl class="empty">
    1242          <dd> <b>Note:</b> HTTP/1.1 servers are allowed to return responses which are not acceptable according to the accept headers sent in the request.
     1232      <ul class="empty">
     1233         <li> <b>Note:</b> HTTP/1.1 servers are allowed to return responses which are not acceptable according to the accept headers sent in the request.
    12431234            In some cases, this may even be preferable to sending a 406 response. User agents are encouraged to inspect the headers of
    12441235            an incoming response to determine if it is acceptable.
    1245          </dd>
    1246       </dl>
     1236         </li>
     1237      </ul>
    12471238      <p id="rfc.section.9.4.7.p.3">If the response could be unacceptable, a user agent <em class="bcp14">SHOULD</em> temporarily stop receipt of more data and query the user for a decision on further actions.
    12481239      </p>
     
    13561347         is that this is a temporary condition which will be alleviated after some delay. If known, the length of the delay <em class="bcp14">MAY</em> be indicated in a Retry-After header. If no Retry-After is given, the client <em class="bcp14">SHOULD</em> handle the response as it would for a 500 response.
    13571348      </p>
    1358       <dl class="empty">
    1359          <dd> <b>Note:</b> The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Some servers may wish
     1349      <ul class="empty">
     1350         <li> <b>Note:</b> The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Some servers may wish
    13601351            to simply refuse the connection.
    1361          </dd>
    1362       </dl>
     1352         </li>
     1353      </ul>
    13631354      <div id="rfc.iref.62"></div>
    13641355      <div id="rfc.iref.s.40"></div>
     
    13671358         URI (e.g. HTTP, FTP, LDAP) or some other auxiliary server (e.g. DNS) it needed to access in attempting to complete the request.
    13681359      </p>
    1369       <dl class="empty">
    1370          <dd> <b>Note:</b> Note to implementors: some deployed proxies are known to return 400 or 500 when DNS lookups time out.
    1371          </dd>
    1372       </dl>
     1360      <ul class="empty">
     1361         <li> <b>Note:</b> Note to implementors: some deployed proxies are known to return 400 or 500 when DNS lookups time out.
     1362         </li>
     1363      </ul>
    13731364      <div id="rfc.iref.63"></div>
    13741365      <div id="rfc.iref.s.41"></div>
     
    14581449      <div id="rfc.figure.u.19"></div><pre class="text">    Location: http://www.example.org/pub/WWW/People.html
    14591450</pre><p id="rfc.section.10.4.p.5"> </p>
    1460       <dl class="empty">
    1461          <dd> <b>Note:</b> The Content-Location header field (<a href="p3-payload.html#header.content-location" title="Content-Location">Section 6.7</a> of <a href="#Part3" id="rfc.xref.Part3.11"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) differs from Location in that the Content-Location identifies the original location of the entity enclosed in the request.
     1451      <ul class="empty">
     1452         <li> <b>Note:</b> The Content-Location header field (<a href="p3-payload.html#header.content-location" title="Content-Location">Section 6.7</a> of <a href="#Part3" id="rfc.xref.Part3.11"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) differs from Location in that the Content-Location identifies the original location of the entity enclosed in the request.
    14621453            It is therefore possible for a response to contain header fields for both Location and Content-Location.
    1463          </dd>
    1464       </dl>
     1454         </li>
     1455      </ul>
    14651456      <p id="rfc.section.10.4.p.6">There are circumstances in which a fragment identifier in a Location URL would not be appropriate: </p>
    14661457      <ul>
     
    15241515</pre><p id="rfc.section.10.8.p.5">If the response is being forwarded through a proxy, the proxy application <em class="bcp14">MUST NOT</em> modify the Server response-header. Instead, it <em class="bcp14">MUST</em> include a Via field (as described in <a href="p1-messaging.html#header.via" title="Via">Section 8.9</a> of <a href="#Part1" id="rfc.xref.Part1.23"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>).
    15251516      </p>
    1526       <dl class="empty">
    1527          <dd> <b>Note:</b> Revealing the specific software version of the server might allow the server machine to become more vulnerable to attacks
     1517      <ul class="empty">
     1518         <li> <b>Note:</b> Revealing the specific software version of the server might allow the server machine to become more vulnerable to attacks
    15281519            against software that is known to contain security holes. Server implementors are encouraged to make this field a configurable
    15291520            option.
    1530          </dd>
    1531       </dl>
     1521         </li>
     1522      </ul>
    15321523      <div id="rfc.iref.u.1"></div>
    15331524      <div id="rfc.iref.h.10"></div>
     
    15421533      <div id="rfc.figure.u.29"></div><pre class="text">    User-Agent: CERN-LineMode/2.15 libwww/2.17b3
    15431534</pre><h1 id="rfc.section.11"><a href="#rfc.section.11">11.</a>&nbsp;<a id="IANA.considerations" href="#IANA.considerations">IANA Considerations</a></h1>
    1544       <p id="rfc.section.11.p.1"> <span class="comment">[rfc.comment.1: TBD.]</span>
     1535      <p id="rfc.section.11.p.1"> <span class="comment" id="rfc.comment.1">[<a href="#rfc.comment.1" class="smpl">rfc.comment.1</a>: TBD.]</span>
    15451536      </p>
    15461537      <h1 id="rfc.section.12"><a href="#rfc.section.12">12.</a>&nbsp;<a id="security.considerations" href="#security.considerations">Security Considerations</a></h1>
     
    15961587      <h2 id="rfc.references.1"><a href="#rfc.section.14.1" id="rfc.section.14.1">14.1</a> Normative References
    15971588      </h2>
    1598       <table summary="Normative References">             
     1589      <table>             
    15991590         <tr>
    16001591            <td class="reference"><b id="Part1">[Part1]</b></td>
    1601             <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.
     1592            <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.
    16021593            </td>
    16031594         </tr>
    16041595         <tr>
    16051596            <td class="reference"><b id="Part3">[Part3]</b></td>
    1606             <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-p3-payload-02">HTTP/1.1, part 3: Message Payload and Content Negotiation</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p3-payload-02 (work in progress), February&nbsp;2008.
     1597            <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-p3-payload-02">HTTP/1.1, part 3: Message Payload and Content Negotiation</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p3-payload-02 (work in progress), February&nbsp;2008.
    16071598            </td>
    16081599         </tr>
    16091600         <tr>
    16101601            <td class="reference"><b id="Part4">[Part4]</b></td>
    1611             <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-p4-conditional-02">HTTP/1.1, part 4: Conditional Requests</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p4-conditional-02 (work in progress), February&nbsp;2008.
     1602            <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-p4-conditional-02">HTTP/1.1, part 4: Conditional Requests</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p4-conditional-02 (work in progress), February&nbsp;2008.
    16121603            </td>
    16131604         </tr>
    16141605         <tr>
    16151606            <td class="reference"><b id="Part5">[Part5]</b></td>
    1616             <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-p5-range-02">HTTP/1.1, part 5: Range Requests and Partial Responses</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p5-range-02 (work in progress), February&nbsp;2008.
     1607            <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-p5-range-02">HTTP/1.1, part 5: Range Requests and Partial Responses</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p5-range-02 (work in progress), February&nbsp;2008.
    16171608            </td>
    16181609         </tr>
    16191610         <tr>
    16201611            <td class="reference"><b id="Part6">[Part6]</b></td>
    1621             <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.
     1612            <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.
    16221613            </td>
    16231614         </tr>
    16241615         <tr>
    16251616            <td class="reference"><b id="Part7">[Part7]</b></td>
    1626             <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-p7-auth-02">HTTP/1.1, part 7: Authentication</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p7-auth-02 (work in progress), February&nbsp;2008.
     1617            <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-p7-auth-02">HTTP/1.1, part 7: Authentication</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p7-auth-02 (work in progress), February&nbsp;2008.
    16271618            </td>
    16281619         </tr>
    16291620         <tr>
    16301621            <td class="reference"><b id="RFC2119">[RFC2119]</b></td>
    1631             <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.
     1622            <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.
    16321623            </td>
    16331624         </tr>
     
    16351626      <h2 id="rfc.references.2"><a href="#rfc.section.14.2" id="rfc.section.14.2">14.2</a> Informative References
    16361627      </h2>
    1637       <table summary="Informative References">         
     1628      <table>         
    16381629         <tr>
    16391630            <td class="reference"><b id="Luo1998">[Luo1998]</b></td>
     
    16431634         <tr>
    16441635            <td class="reference"><b id="RFC1945">[RFC1945]</b></td>
    1645             <td class="top"><a title="MIT, Laboratory for Computer Science">Berners-Lee, T.</a>, <a title="University of California, Irvine, Department of Information and Computer Science">Fielding, R.T.</a>, and <a title="W3 Consortium, MIT Laboratory for Computer Science">H.F. Nielsen</a>, “<a href="http://tools.ietf.org/html/rfc1945">Hypertext Transfer Protocol -- HTTP/1.0</a>”, RFC&nbsp;1945, May&nbsp;1996.
     1636            <td class="top"><a href="mailto:timbl@w3.org" title="MIT, Laboratory for Computer Science">Berners-Lee, T.</a>, <a href="mailto:fielding@ics.uci.edu" title="University of California, Irvine, Department of Information and Computer Science">Fielding, R.</a>, and <a href="mailto:frystyk@w3.org" title="W3 Consortium, MIT Laboratory for Computer Science">H. Nielsen</a>, “<a href="http://tools.ietf.org/html/rfc1945">Hypertext Transfer Protocol -- HTTP/1.0</a>”, RFC&nbsp;1945, May&nbsp;1996.
    16461637            </td>
    16471638         </tr>
    16481639         <tr>
    16491640            <td class="reference"><b id="RFC2068">[RFC2068]</b></td>
    1650             <td class="top"><a title="University of California, Irvine, Department of Information and Computer Science">Fielding, R.</a>, <a title="MIT Laboratory for Computer Science">Gettys, J.</a>, <a title="Digital Equipment Corporation, Western Research Laboratory">Mogul, J.</a>, <a title="MIT Laboratory for Computer Science">Nielsen, H.</a>, and <a title="MIT Laboratory for Computer Science">T. Berners-Lee</a>, “<a href="http://tools.ietf.org/html/rfc2068">Hypertext Transfer Protocol -- HTTP/1.1</a>”, RFC&nbsp;2068, January&nbsp;1997.
     1641            <td class="top"><a href="mailto:fielding@ics.uci.edu" title="University of California, Irvine, Department of Information and Computer Science">Fielding, R.</a>, <a href="mailto:jg@w3.org" title="MIT Laboratory for Computer Science">Gettys, J.</a>, <a href="mailto:mogul@wrl.dec.com" title="Digital Equipment Corporation, Western Research Laboratory">Mogul, J.</a>, <a href="mailto:frystyk@w3.org" title="MIT Laboratory for Computer Science">Nielsen, H.</a>, and <a href="mailto:timbl@w3.org" title="MIT Laboratory for Computer Science">T. Berners-Lee</a>, “<a href="http://tools.ietf.org/html/rfc2068">Hypertext Transfer Protocol -- HTTP/1.1</a>”, RFC&nbsp;2068, January&nbsp;1997.
    16511642            </td>
    16521643         </tr>
    16531644         <tr>
    16541645            <td class="reference"><b id="RFC2616">[RFC2616]</b></td>
    1655             <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.
     1646            <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.
    16561647            </td>
    16571648         </tr>
     
    16621653         </tr>
    16631654      </table>
    1664       <h1 id="rfc.authors"><a href="#rfc.authors">Authors' Addresses</a></h1>
    1665       <address class="vcard"><span class="vcardline"><span class="fn">Roy T. Fielding</span>
    1666             (editor)
    1667             <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>
    1668       <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>
    1669       <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>
    1670       <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>
    1671       <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>
    1672       <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>
    1673       <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>
    1674       <address class="vcard"><span class="vcardline"><span class="fn">Yves Lafon</span>
    1675             (editor)
    1676             <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>
    1677       <address class="vcard"><span class="vcardline"><span class="fn">Julian F. Reschke</span>
    1678             (editor)
    1679             <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>
    1680       <h1 id="rfc.section.A"><a href="#rfc.section.A">A.</a>&nbsp;<a id="compatibility" href="#compatibility">Compatibility with Previous Versions</a></h1>
     1655      <div class="avoidbreak">
     1656         <h1 id="rfc.authors"><a href="#rfc.authors">Authors' Addresses</a></h1>
     1657         <address class="vcard"><span class="vcardline"><span class="fn">Roy T. Fielding</span>
     1658               (editor)
     1659               <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>
     1660         <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>
     1661         <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>
     1662         <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>
     1663         <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>
     1664         <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>
     1665         <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>
     1666         <address class="vcard"><span class="vcardline"><span class="fn">Yves Lafon</span>
     1667               (editor)
     1668               <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>
     1669         <address class="vcard"><span class="vcardline"><span class="fn">Julian F. Reschke</span>
     1670               (editor)
     1671               <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>
     1672      </div>
     1673      <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>
    16811674      <h2 id="rfc.section.A.1"><a href="#rfc.section.A.1">A.1</a>&nbsp;<a id="changes.from.rfc.2068" href="#changes.from.rfc.2068">Changes from RFC 2068</a></h2>
    16821675      <p id="rfc.section.A.1.p.1">Clarified which error code should be used for inbound server failures (e.g. DNS failures). (<a href="#status.504" id="rfc.xref.status.504.2" title="504 Gateway Timeout">Section&nbsp;9.5.5</a>).
     
    17661759         <li>Copy definition of delta-seconds from Part6 instead of referencing it.</li>
    17671760      </ul>
     1761      <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1>
     1762      <p class="noprint"><a href="#rfc.index.1">1</a> <a href="#rfc.index.2">2</a> <a href="#rfc.index.3">3</a> <a href="#rfc.index.4">4</a> <a href="#rfc.index.5">5</a> <a href="#rfc.index.A">A</a> <a href="#rfc.index.C">C</a> <a href="#rfc.index.D">D</a> <a href="#rfc.index.E">E</a> <a href="#rfc.index.F">F</a> <a href="#rfc.index.G">G</a> <a href="#rfc.index.H">H</a> <a href="#rfc.index.L">L</a> <a href="#rfc.index.M">M</a> <a href="#rfc.index.O">O</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.T">T</a> <a href="#rfc.index.U">U</a>
     1763      </p>
     1764      <div class="print2col">
     1765         <ul class="ind">
     1766            <li><a id="rfc.index.1" href="#rfc.index.1"><b>1</b></a><ul>
     1767                  <li>100 Continue (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">5</a>, <a href="#rfc.iref.23"><b>9.1.1</b></a></li>
     1768                  <li>101 Switching Protocols (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">5</a>, <a href="#rfc.iref.24"><b>9.1.2</b></a></li>
     1769               </ul>
     1770            </li>
     1771            <li><a id="rfc.index.2" href="#rfc.index.2"><b>2</b></a><ul>
     1772                  <li>200 OK (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">5</a>, <a href="#rfc.iref.25"><b>9.2.1</b></a></li>
     1773                  <li>201 Created (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">5</a>, <a href="#rfc.iref.26"><b>9.2.2</b></a>, <a href="#rfc.xref.status.201.2">A.1</a></li>
     1774                  <li>202 Accepted (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">5</a>, <a href="#rfc.iref.27"><b>9.2.3</b></a></li>
     1775                  <li>203 Non-Authoritative Information (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">5</a>, <a href="#rfc.iref.28"><b>9.2.4</b></a></li>
     1776                  <li>204 No Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">5</a>, <a href="#rfc.iref.29"><b>9.2.5</b></a></li>
     1777                  <li>205 Reset Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">5</a>, <a href="#rfc.iref.30"><b>9.2.6</b></a></li>
     1778                  <li>206 Partial Content (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.206.1">5</a>, <a href="#rfc.iref.31"><b>9.2.7</b></a></li>
     1779               </ul>
     1780            </li>
     1781            <li><a id="rfc.index.3" href="#rfc.index.3"><b>3</b></a><ul>
     1782                  <li>300 Multiple Choices (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">5</a>, <a href="#rfc.iref.32"><b>9.3.1</b></a></li>
     1783                  <li>301 Moved Permanently (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">5</a>, <a href="#rfc.iref.33"><b>9.3.2</b></a>, <a href="#rfc.xref.status.301.2">A.2</a></li>
     1784                  <li>302 Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">5</a>, <a href="#rfc.iref.34"><b>9.3.3</b></a>, <a href="#rfc.xref.status.302.2">A.2</a></li>
     1785                  <li>303 See Other (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">5</a>, <a href="#rfc.iref.35"><b>9.3.4</b></a></li>
     1786                  <li>304 Not Modified (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.304.1">5</a>, <a href="#rfc.iref.36"><b>9.3.5</b></a></li>
     1787                  <li>305 Use Proxy (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">5</a>, <a href="#rfc.iref.37"><b>9.3.6</b></a></li>
     1788                  <li>306 (Unused) (status code)&nbsp;&nbsp;<a href="#rfc.iref.38"><b>9.3.7</b></a></li>
     1789                  <li>307 Temporary Redirect (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">5</a>, <a href="#rfc.iref.39"><b>9.3.8</b></a>, <a href="#rfc.xref.status.307.2">A.2</a></li>
     1790               </ul>
     1791            </li>
     1792            <li><a id="rfc.index.4" href="#rfc.index.4"><b>4</b></a><ul>
     1793                  <li>400 Bad Request (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">5</a>, <a href="#rfc.iref.40"><b>9.4.1</b></a></li>
     1794                  <li>401 Unauthorized (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.401.1">5</a>, <a href="#rfc.iref.41"><b>9.4.2</b></a></li>
     1795                  <li>402 Payment Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">5</a>, <a href="#rfc.iref.42"><b>9.4.3</b></a></li>
     1796                  <li>403 Forbidden (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">5</a>, <a href="#rfc.iref.43"><b>9.4.4</b></a>, <a href="#rfc.xref.status.403.2">A.1</a></li>
     1797                  <li>404 Not Found (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">5</a>, <a href="#rfc.iref.44"><b>9.4.5</b></a>, <a href="#rfc.xref.status.404.2">A.1</a></li>
     1798                  <li>405 Method Not Allowed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">5</a>, <a href="#rfc.iref.45"><b>9.4.6</b></a></li>
     1799                  <li>406 Not Acceptable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">5</a>, <a href="#rfc.iref.46"><b>9.4.7</b></a></li>
     1800                  <li>407 Proxy Authentication Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.407.1">5</a>, <a href="#rfc.iref.47"><b>9.4.8</b></a></li>
     1801                  <li>408 Request Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">5</a>, <a href="#rfc.iref.48"><b>9.4.9</b></a></li>
     1802                  <li>409 Conflict (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">5</a>, <a href="#rfc.iref.49"><b>9.4.10</b></a></li>
     1803                  <li>410 Gone (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">5</a>, <a href="#rfc.iref.50"><b>9.4.11</b></a>, <a href="#rfc.xref.status.410.2">A.1</a></li>
     1804                  <li>411 Length Required (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">5</a>, <a href="#rfc.iref.51"><b>9.4.12</b></a></li>
     1805                  <li>412 Precondition Failed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.412.1">5</a>, <a href="#rfc.iref.52"><b>9.4.13</b></a></li>
     1806                  <li>413 Request Entity Too Large (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">5</a>, <a href="#rfc.iref.53"><b>9.4.14</b></a></li>
     1807                  <li>414 Request-URI Too Long (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">5</a>, <a href="#rfc.iref.54"><b>9.4.15</b></a></li>
     1808                  <li>415 Unsupported Media Type (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">5</a>, <a href="#rfc.iref.55"><b>9.4.16</b></a></li>
     1809                  <li>416 Requested Range Not Satisfiable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.416.1">5</a>, <a href="#rfc.iref.56"><b>9.4.17</b></a></li>
     1810                  <li>417 Expectation Failed (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">5</a>, <a href="#rfc.iref.57"><b>9.4.18</b></a></li>
     1811               </ul>
     1812            </li>
     1813            <li><a id="rfc.index.5" href="#rfc.index.5"><b>5</b></a><ul>
     1814                  <li>500 Internal Server Error (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">5</a>, <a href="#rfc.iref.58"><b>9.5.1</b></a></li>
     1815                  <li>501 Not Implemented (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">5</a>, <a href="#rfc.iref.59"><b>9.5.2</b></a></li>
     1816                  <li>502 Bad Gateway (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">5</a>, <a href="#rfc.iref.60"><b>9.5.3</b></a></li>
     1817                  <li>503 Service Unavailable (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">5</a>, <a href="#rfc.iref.61"><b>9.5.4</b></a></li>
     1818                  <li>504 Gateway Timeout (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">5</a>, <a href="#rfc.iref.62"><b>9.5.5</b></a>, <a href="#rfc.xref.status.504.2">A.1</a></li>
     1819                  <li>505 HTTP Version Not Supported (status code)&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">5</a>, <a href="#rfc.iref.63"><b>9.5.6</b></a></li>
     1820               </ul>
     1821            </li>
     1822            <li><a id="rfc.index.A" href="#rfc.index.A"><b>A</b></a><ul>
     1823                  <li>Allow header&nbsp;&nbsp;<a href="#rfc.xref.header.allow.1">3</a>, <a href="#rfc.iref.a.1"><b>10.1</b></a></li>
     1824               </ul>
     1825            </li>
     1826            <li><a id="rfc.index.C" href="#rfc.index.C"><b>C</b></a><ul>
     1827                  <li>CONNECT method&nbsp;&nbsp;<a href="#rfc.xref.CONNECT.1">3</a>, <a href="#rfc.iref.c.1"><b>8.9</b></a></li>
     1828               </ul>
     1829            </li>
     1830            <li><a id="rfc.index.D" href="#rfc.index.D"><b>D</b></a><ul>
     1831                  <li>DELETE method&nbsp;&nbsp;<a href="#rfc.xref.DELETE.1">3</a>, <a href="#rfc.iref.d.1"><b>8.7</b></a></li>
     1832               </ul>
     1833            </li>
     1834            <li><a id="rfc.index.E" href="#rfc.index.E"><b>E</b></a><ul>
     1835                  <li>Expect header&nbsp;&nbsp;<a href="#rfc.xref.header.expect.1">4</a>, <a href="#rfc.xref.header.expect.2">9.4.18</a>, <a href="#rfc.iref.e.1"><b>10.2</b></a></li>
     1836               </ul>
     1837            </li>
     1838            <li><a id="rfc.index.F" href="#rfc.index.F"><b>F</b></a><ul>
     1839                  <li>From header&nbsp;&nbsp;<a href="#rfc.xref.header.from.1">4</a>, <a href="#rfc.iref.f.1"><b>10.3</b></a></li>
     1840               </ul>
     1841            </li>
     1842            <li><a id="rfc.index.G" href="#rfc.index.G"><b>G</b></a><ul>
     1843                  <li>GET method&nbsp;&nbsp;<a href="#rfc.xref.GET.1">3</a>, <a href="#rfc.iref.g.8"><b>8.3</b></a></li>
     1844                  <li><tt>Grammar</tt>&nbsp;&nbsp;
     1845                     <ul>
     1846                        <li><tt>Allow</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.9"><b>10.1</b></a></li>
     1847                        <li><tt>delta-seconds</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.19"><b>10.7</b></a></li>
     1848                        <li><tt>Expect</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.10"><b>10.2</b></a></li>
     1849                        <li><tt>expect-params</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.13"><b>10.2</b></a></li>
     1850                        <li><tt>expectation</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.11"><b>10.2</b></a></li>
     1851                        <li><tt>expectation-extension</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.12"><b>10.2</b></a></li>
     1852                        <li><tt>extension-code</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.5"><b>5</b></a></li>
     1853                        <li><tt>extension-method</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.2"><b>3</b></a></li>
     1854                        <li><tt>From</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.14"><b>10.3</b></a></li>
     1855                        <li><tt>Location</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.15"><b>10.4</b></a></li>
     1856                        <li><tt>Max-Forwards</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.16"><b>10.5</b></a></li>
     1857                        <li><tt>Method</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.1"><b>3</b></a></li>
     1858                        <li><tt>Reason-Phrase</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.6"><b>5</b></a></li>
     1859                        <li><tt>Referer</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.17"><b>10.6</b></a></li>
     1860                        <li><tt>request-header</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.3"><b>4</b></a></li>
     1861                        <li><tt>response-header</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.7"><b>6</b></a></li>
     1862                        <li><tt>Retry-After</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.18"><b>10.7</b></a></li>
     1863                        <li><tt>Server</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.20"><b>10.8</b></a></li>
     1864                        <li><tt>Status-Code</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.4"><b>5</b></a></li>
     1865                        <li><tt>User-Agent</tt>&nbsp;&nbsp;<a href="#rfc.iref.g.21"><b>10.9</b></a></li>
     1866                     </ul>
     1867                  </li>
     1868               </ul>
     1869            </li>
     1870            <li><a id="rfc.index.H" href="#rfc.index.H"><b>H</b></a><ul>
     1871                  <li>HEAD method&nbsp;&nbsp;<a href="#rfc.xref.HEAD.1">3</a>, <a href="#rfc.iref.h.1"><b>8.4</b></a></li>
     1872                  <li>Headers&nbsp;&nbsp;
     1873                     <ul>
     1874                        <li>Allow&nbsp;&nbsp;<a href="#rfc.xref.header.allow.1">3</a>, <a href="#rfc.iref.h.2"><b>10.1</b></a></li>
     1875                        <li>Expect&nbsp;&nbsp;<a href="#rfc.xref.header.expect.1">4</a>, <a href="#rfc.xref.header.expect.2">9.4.18</a>, <a href="#rfc.iref.h.3"><b>10.2</b></a></li>
     1876                        <li>From&nbsp;&nbsp;<a href="#rfc.xref.header.from.1">4</a>, <a href="#rfc.iref.h.4"><b>10.3</b></a></li>
     1877                        <li>Location&nbsp;&nbsp;<a href="#rfc.xref.header.location.1">6</a>, <a href="#rfc.xref.header.location.2">8.5</a>, <a href="#rfc.iref.h.5"><b>10.4</b></a>, <a href="#rfc.xref.header.location.3">A.2</a></li>
     1878                        <li>Max-Forwards&nbsp;&nbsp;<a href="#rfc.xref.header.max-forwards.1">4</a>, <a href="#rfc.xref.header.max-forwards.2">8.8</a>, <a href="#rfc.iref.h.6"><b>10.5</b></a></li>
     1879                        <li>Referer&nbsp;&nbsp;<a href="#rfc.xref.header.referer.1">4</a>, <a href="#rfc.iref.h.7"><b>10.6</b></a></li>
     1880                        <li>Retry-After&nbsp;&nbsp;<a href="#rfc.xref.header.retry-after.1">6</a>, <a href="#rfc.iref.h.8"><b>10.7</b></a></li>
     1881                        <li>Server&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">6</a>, <a href="#rfc.iref.h.9"><b>10.8</b></a>, <a href="#rfc.xref.header.server.2">12.1</a>, <a href="#rfc.xref.header.server.3">A.2</a></li>
     1882                        <li>User-Agent&nbsp;&nbsp;<a href="#rfc.xref.header.user-agent.1">4</a>, <a href="#rfc.iref.h.10"><b>10.9</b></a>, <a href="#rfc.xref.header.user-agent.2">12.1</a></li>
     1883                     </ul>
     1884                  </li>
     1885               </ul>
     1886            </li>
     1887            <li><a id="rfc.index.L" href="#rfc.index.L"><b>L</b></a><ul>
     1888                  <li>LINK method&nbsp;&nbsp;<a href="#rfc.iref.l.2"><b>A.1</b></a></li>
     1889                  <li>Location header&nbsp;&nbsp;<a href="#rfc.xref.header.location.1">6</a>, <a href="#rfc.xref.header.location.2">8.5</a>, <a href="#rfc.iref.l.1"><b>10.4</b></a>, <a href="#rfc.xref.header.location.3">A.2</a></li>
     1890                  <li><em>Luo1998</em>&nbsp;&nbsp;<a href="#rfc.xref.Luo1998.1">8.9</a>, <a href="#Luo1998"><b>14.2</b></a></li>
     1891               </ul>
     1892            </li>
     1893            <li><a id="rfc.index.M" href="#rfc.index.M"><b>M</b></a><ul>
     1894                  <li>Max-Forwards header&nbsp;&nbsp;<a href="#rfc.xref.header.max-forwards.1">4</a>, <a href="#rfc.xref.header.max-forwards.2">8.8</a>, <a href="#rfc.iref.m.9"><b>10.5</b></a></li>
     1895                  <li>Methods&nbsp;&nbsp;
     1896                     <ul>
     1897                        <li>CONNECT&nbsp;&nbsp;<a href="#rfc.xref.CONNECT.1">3</a>, <a href="#rfc.iref.m.8"><b>8.9</b></a></li>
     1898                        <li>DELETE&nbsp;&nbsp;<a href="#rfc.xref.DELETE.1">3</a>, <a href="#rfc.iref.m.6"><b>8.7</b></a></li>
     1899                        <li>GET&nbsp;&nbsp;<a href="#rfc.xref.GET.1">3</a>, <a href="#rfc.iref.m.2"><b>8.3</b></a></li>
     1900                        <li>HEAD&nbsp;&nbsp;<a href="#rfc.xref.HEAD.1">3</a>, <a href="#rfc.iref.m.3"><b>8.4</b></a></li>
     1901                        <li>LINK&nbsp;&nbsp;<a href="#rfc.iref.m.11"><b>A.1</b></a></li>
     1902                        <li>OPTIONS&nbsp;&nbsp;<a href="#rfc.xref.OPTIONS.1">3</a>, <a href="#rfc.iref.m.1"><b>8.2</b></a>, <a href="#rfc.xref.OPTIONS.2">10.5</a></li>
     1903                        <li>PATCH&nbsp;&nbsp;<a href="#rfc.iref.m.10"><b>A.1</b></a></li>
     1904                        <li>POST&nbsp;&nbsp;<a href="#rfc.xref.POST.1">3</a>, <a href="#rfc.iref.m.4"><b>8.5</b></a>, <a href="#rfc.xref.POST.2">A.2</a></li>
     1905                        <li>PUT&nbsp;&nbsp;<a href="#rfc.xref.PUT.1">3</a>, <a href="#rfc.iref.m.5"><b>8.6</b></a></li>
     1906                        <li>TRACE&nbsp;&nbsp;<a href="#rfc.xref.TRACE.1">3</a>, <a href="#rfc.iref.m.7"><b>8.8</b></a>, <a href="#rfc.xref.TRACE.2">10.5</a></li>
     1907                        <li>UNLINK&nbsp;&nbsp;<a href="#rfc.iref.m.12"><b>A.1</b></a></li>
     1908                     </ul>
     1909                  </li>
     1910               </ul>
     1911            </li>
     1912            <li><a id="rfc.index.O" href="#rfc.index.O"><b>O</b></a><ul>
     1913                  <li>OPTIONS method&nbsp;&nbsp;<a href="#rfc.xref.OPTIONS.1">3</a>, <a href="#rfc.iref.o.1"><b>8.2</b></a>, <a href="#rfc.xref.OPTIONS.2">10.5</a></li>
     1914               </ul>
     1915            </li>
     1916            <li><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul>
     1917                  <li><em>Part1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.1">1</a>, <a href="#rfc.xref.Part1.2">2</a>, <a href="#rfc.xref.Part1.3">2</a>, <a href="#rfc.xref.Part1.4">2</a>, <a href="#rfc.xref.Part1.5">2</a>, <a href="#rfc.xref.Part1.6">2</a>, <a href="#rfc.xref.Part1.7">2</a>, <a href="#rfc.xref.Part1.8">2</a>, <a href="#rfc.xref.Part1.9">2</a>, <a href="#rfc.xref.Part1.10">2</a>, <a href="#rfc.xref.Part1.11">2</a>, <a href="#rfc.xref.Part1.12">2</a>, <a href="#rfc.xref.Part1.13">2</a>, <a href="#rfc.xref.Part1.14">2</a>, <a href="#rfc.xref.Part1.15">4</a>, <a href="#rfc.xref.Part1.16">4</a>, <a href="#rfc.xref.Part1.17">7</a>, <a href="#rfc.xref.Part1.18">8.8</a>, <a href="#rfc.xref.Part1.19">9.1.1</a>, <a href="#rfc.xref.Part1.20">9.5.6</a>, <a href="#rfc.xref.Part1.21">10.2</a>, <a href="#rfc.xref.Part1.22">10.8</a>, <a href="#rfc.xref.Part1.23">10.8</a>, <a href="#rfc.xref.Part1.24">10.9</a>, <a href="#Part1"><b>14.1</b></a>, <a href="#rfc.xref.Part1.25">A.2</a><ul>
     1918                        <li><em>Section 2.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.2">2</a></li>
     1919                        <li><em>Section 2.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.3">2</a>, <a href="#rfc.xref.Part1.4">2</a>, <a href="#rfc.xref.Part1.5">2</a>, <a href="#rfc.xref.Part1.6">2</a>, <a href="#rfc.xref.Part1.7">2</a></li>
     1920                        <li><em>Section 3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.20">9.5.6</a></li>
     1921                        <li><em>Section 3.2.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.8">2</a>, <a href="#rfc.xref.Part1.9">2</a>, <a href="#rfc.xref.Part1.13">2</a></li>
     1922                        <li><em>Section 3.3.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.11">2</a></li>
     1923                        <li><em>Section 3.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.12">2</a>, <a href="#rfc.xref.Part1.22">10.8</a>, <a href="#rfc.xref.Part1.24">10.9</a></li>
     1924                        <li><em>Section 4.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.17">7</a></li>
     1925                        <li><em>Section 7.2.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.19">9.1.1</a>, <a href="#rfc.xref.Part1.21">10.2</a></li>
     1926                        <li><em>Section 8.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.10">2</a>, <a href="#rfc.xref.Part1.15">4</a></li>
     1927                        <li><em>Section 8.8</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.14">2</a>, <a href="#rfc.xref.Part1.16">4</a></li>
     1928                        <li><em>Section 8.9</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.18">8.8</a>, <a href="#rfc.xref.Part1.23">10.8</a>, <a href="#rfc.xref.Part1.25">A.2</a></li>
     1929                     </ul>
     1930                  </li>
     1931                  <li><em>Part3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.1">2</a>, <a href="#rfc.xref.Part3.2">2</a>, <a href="#rfc.xref.Part3.3">2</a>, <a href="#rfc.xref.Part3.4">2</a>, <a href="#rfc.xref.Part3.5">4</a>, <a href="#rfc.xref.Part3.6">4</a>, <a href="#rfc.xref.Part3.7">4</a>, <a href="#rfc.xref.Part3.8">4</a>, <a href="#rfc.xref.Part3.9">7</a>, <a href="#rfc.xref.Part3.10">9.3.1</a>, <a href="#rfc.xref.Part3.11">10.4</a>, <a href="#Part3"><b>14.1</b></a><ul>
     1932                        <li><em>Section 5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.10">9.3.1</a></li>
     1933                        <li><em>Section 6.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.1">2</a>, <a href="#rfc.xref.Part3.5">4</a></li>
     1934                        <li><em>Section 6.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.2">2</a>, <a href="#rfc.xref.Part3.6">4</a></li>
     1935                        <li><em>Section 6.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.3">2</a>, <a href="#rfc.xref.Part3.7">4</a></li>
     1936                        <li><em>Section 6.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.4">2</a>, <a href="#rfc.xref.Part3.8">4</a></li>
     1937                        <li><em>Section 6.7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part3.11">10.4</a></li>
     1938                     </ul>
     1939                  </li>
     1940                  <li><em>Part4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.1">2</a>, <a href="#rfc.xref.Part4.2">2</a>, <a href="#rfc.xref.Part4.3">2</a>, <a href="#rfc.xref.Part4.4">2</a>, <a href="#rfc.xref.Part4.5">2</a>, <a href="#rfc.xref.Part4.6">4</a>, <a href="#rfc.xref.Part4.7">4</a>, <a href="#rfc.xref.Part4.8">4</a>, <a href="#rfc.xref.Part4.9">4</a>, <a href="#rfc.xref.Part4.10">6</a>, <a href="#rfc.xref.Part4.11">9.2.2</a>, <a href="#rfc.xref.Part4.12">9.3.5</a>, <a href="#rfc.xref.Part4.13">9.4.13</a>, <a href="#Part4"><b>14.1</b></a>, <a href="#rfc.xref.Part4.14">B.2</a><ul>
     1941                        <li><em>Section 7.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.1">2</a>, <a href="#rfc.xref.Part4.10">6</a>, <a href="#rfc.xref.Part4.11">9.2.2</a></li>
     1942                        <li><em>Section 7.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.2">2</a>, <a href="#rfc.xref.Part4.6">4</a></li>
     1943                        <li><em>Section 7.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.3">2</a>, <a href="#rfc.xref.Part4.7">4</a></li>
     1944                        <li><em>Section 7.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.4">2</a>, <a href="#rfc.xref.Part4.8">4</a></li>
     1945                        <li><em>Section 7.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part4.5">2</a>, <a href="#rfc.xref.Part4.9">4</a></li>
     1946                     </ul>
     1947                  </li>
     1948                  <li><em>Part5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">2</a>, <a href="#rfc.xref.Part5.2">2</a>, <a href="#rfc.xref.Part5.3">2</a>, <a href="#rfc.xref.Part5.4">4</a>, <a href="#rfc.xref.Part5.5">4</a>, <a href="#rfc.xref.Part5.6">6</a>, <a href="#rfc.xref.Part5.7">8.3</a>, <a href="#rfc.xref.Part5.8">9.1.2</a>, <a href="#rfc.xref.Part5.9">9.2.7</a>, <a href="#rfc.xref.Part5.10">9.4.17</a>, <a href="#Part5"><b>14.1</b></a><ul>
     1949                        <li><em>Section 6.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.1">2</a>, <a href="#rfc.xref.Part5.6">6</a></li>
     1950                        <li><em>Section 6.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.2">2</a>, <a href="#rfc.xref.Part5.4">4</a></li>
     1951                        <li><em>Section 6.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part5.3">2</a>, <a href="#rfc.xref.Part5.5">4</a>, <a href="#rfc.xref.Part5.7">8.3</a>, <a href="#rfc.xref.Part5.8">9.1.2</a>, <a href="#rfc.xref.Part5.10">9.4.17</a></li>
     1952                     </ul>
     1953                  </li>
     1954                  <li><em>Part6</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">2</a>, <a href="#rfc.xref.Part6.2">2</a>, <a href="#rfc.xref.Part6.3">6</a>, <a href="#rfc.xref.Part6.4">6</a>, <a href="#rfc.xref.Part6.5">8.3</a>, <a href="#Part6"><b>14.1</b></a><ul>
     1955                        <li><em>Section 16.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.1">2</a>, <a href="#rfc.xref.Part6.3">6</a></li>
     1956                        <li><em>Section 16.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part6.2">2</a>, <a href="#rfc.xref.Part6.4">6</a></li>
     1957                     </ul>
     1958                  </li>
     1959                  <li><em>Part7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.1">2</a>, <a href="#rfc.xref.Part7.2">2</a>, <a href="#rfc.xref.Part7.3">2</a>, <a href="#rfc.xref.Part7.4">2</a>, <a href="#rfc.xref.Part7.5">4</a>, <a href="#rfc.xref.Part7.6">4</a>, <a href="#rfc.xref.Part7.7">6</a>, <a href="#rfc.xref.Part7.8">6</a>, <a href="#rfc.xref.Part7.9">9.4.2</a>, <a href="#rfc.xref.Part7.10">9.4.8</a>, <a href="#Part7"><b>14.1</b></a><ul>
     1960                        <li><em>Section 4.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.1">2</a>, <a href="#rfc.xref.Part7.5">4</a></li>
     1961                        <li><em>Section 4.2</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.2">2</a>, <a href="#rfc.xref.Part7.7">6</a></li>
     1962                        <li><em>Section 4.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.3">2</a>, <a href="#rfc.xref.Part7.6">4</a></li>
     1963                        <li><em>Section 4.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part7.4">2</a>, <a href="#rfc.xref.Part7.8">6</a></li>
     1964                     </ul>
     1965                  </li>
     1966                  <li>PATCH method&nbsp;&nbsp;<a href="#rfc.iref.p.3"><b>A.1</b></a></li>
     1967                  <li>POST method&nbsp;&nbsp;<a href="#rfc.xref.POST.1">3</a>, <a href="#rfc.iref.p.1"><b>8.5</b></a>, <a href="#rfc.xref.POST.2">A.2</a></li>
     1968                  <li>PUT method&nbsp;&nbsp;<a href="#rfc.xref.PUT.1">3</a>, <a href="#rfc.iref.p.2"><b>8.6</b></a></li>
     1969               </ul>
     1970            </li>
     1971            <li><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul>
     1972                  <li>Referer header&nbsp;&nbsp;<a href="#rfc.xref.header.referer.1">4</a>, <a href="#rfc.iref.r.1"><b>10.6</b></a></li>
     1973                  <li>Retry-After header&nbsp;&nbsp;<a href="#rfc.xref.header.retry-after.1">6</a>, <a href="#rfc.iref.r.2"><b>10.7</b></a></li>
     1974                  <li><em>RFC1945</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC1945.1">9.3.3</a>, <a href="#RFC1945"><b>14.2</b></a></li>
     1975                  <li><em>RFC2068</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2068.1">9.3.3</a>, <a href="#rfc.xref.RFC2068.2">9.3.6</a>, <a href="#RFC2068"><b>14.2</b></a>, <a href="#rfc.xref.RFC2068.3">A.1</a></li>
     1976                  <li><em>RFC2119</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2119.1">1.1</a>, <a href="#RFC2119"><b>14.1</b></a></li>
     1977                  <li><em>RFC2616</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2616.1">1</a>, <a href="#RFC2616"><b>14.2</b></a>, <a href="#rfc.xref.RFC2616.2">B.1</a></li>
     1978                  <li><em>RFC2822</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2822.1">10.3</a>, <a href="#rfc.xref.RFC2822.2">10.3</a>, <a href="#RFC2822"><b>14.2</b></a><ul>
     1979                        <li><em>Section 3.4</em>&nbsp;&nbsp;<a href="#rfc.xref.RFC2822.1">10.3</a>, <a href="#rfc.xref.RFC2822.2">10.3</a></li>
     1980                     </ul>
     1981                  </li>
     1982               </ul>
     1983            </li>
     1984            <li><a id="rfc.index.S" href="#rfc.index.S"><b>S</b></a><ul>
     1985                  <li>Server header&nbsp;&nbsp;<a href="#rfc.xref.header.server.1">6</a>, <a href="#rfc.iref.s.42"><b>10.8</b></a>, <a href="#rfc.xref.header.server.2">12.1</a>, <a href="#rfc.xref.header.server.3">A.2</a></li>
     1986                  <li>Status Codes&nbsp;&nbsp;
     1987                     <ul>
     1988                        <li>100 Continue&nbsp;&nbsp;<a href="#rfc.xref.status.100.1">5</a>, <a href="#rfc.iref.s.1"><b>9.1.1</b></a></li>
     1989                        <li>101 Switching Protocols&nbsp;&nbsp;<a href="#rfc.xref.status.101.1">5</a>, <a href="#rfc.iref.s.2"><b>9.1.2</b></a></li>
     1990                        <li>200 OK&nbsp;&nbsp;<a href="#rfc.xref.status.200.1">5</a>, <a href="#rfc.iref.s.3"><b>9.2.1</b></a></li>
     1991                        <li>201 Created&nbsp;&nbsp;<a href="#rfc.xref.status.201.1">5</a>, <a href="#rfc.iref.s.4"><b>9.2.2</b></a>, <a href="#rfc.xref.status.201.2">A.1</a></li>
     1992                        <li>202 Accepted&nbsp;&nbsp;<a href="#rfc.xref.status.202.1">5</a>, <a href="#rfc.iref.s.5"><b>9.2.3</b></a></li>
     1993                        <li>203 Non-Authoritative Information&nbsp;&nbsp;<a href="#rfc.xref.status.203.1">5</a>, <a href="#rfc.iref.s.6"><b>9.2.4</b></a></li>
     1994                        <li>204 No Content&nbsp;&nbsp;<a href="#rfc.xref.status.204.1">5</a>, <a href="#rfc.iref.s.7"><b>9.2.5</b></a></li>
     1995                        <li>205 Reset Content&nbsp;&nbsp;<a href="#rfc.xref.status.205.1">5</a>, <a href="#rfc.iref.s.8"><b>9.2.6</b></a></li>
     1996                        <li>206 Partial Content&nbsp;&nbsp;<a href="#rfc.xref.status.206.1">5</a>, <a href="#rfc.iref.s.9"><b>9.2.7</b></a></li>
     1997                        <li>300 Multiple Choices&nbsp;&nbsp;<a href="#rfc.xref.status.300.1">5</a>, <a href="#rfc.iref.s.10"><b>9.3.1</b></a></li>
     1998                        <li>301 Moved Permanently&nbsp;&nbsp;<a href="#rfc.xref.status.301.1">5</a>, <a href="#rfc.iref.s.11"><b>9.3.2</b></a>, <a href="#rfc.xref.status.301.2">A.2</a></li>
     1999                        <li>302 Found&nbsp;&nbsp;<a href="#rfc.xref.status.302.1">5</a>, <a href="#rfc.iref.s.12"><b>9.3.3</b></a>, <a href="#rfc.xref.status.302.2">A.2</a></li>
     2000                        <li>303 See Other&nbsp;&nbsp;<a href="#rfc.xref.status.303.1">5</a>, <a href="#rfc.iref.s.13"><b>9.3.4</b></a></li>
     2001                        <li>304 Not Modified&nbsp;&nbsp;<a href="#rfc.xref.status.304.1">5</a>, <a href="#rfc.iref.s.14"><b>9.3.5</b></a></li>
     2002                        <li>305 Use Proxy&nbsp;&nbsp;<a href="#rfc.xref.status.305.1">5</a>, <a href="#rfc.iref.s.15"><b>9.3.6</b></a></li>
     2003                        <li>306 (Unused)&nbsp;&nbsp;<a href="#rfc.iref.s.16"><b>9.3.7</b></a></li>
     2004                        <li>307 Temporary Redirect&nbsp;&nbsp;<a href="#rfc.xref.status.307.1">5</a>, <a href="#rfc.iref.s.17"><b>9.3.8</b></a>, <a href="#rfc.xref.status.307.2">A.2</a></li>
     2005                        <li>400 Bad Request&nbsp;&nbsp;<a href="#rfc.xref.status.400.1">5</a>, <a href="#rfc.iref.s.18"><b>9.4.1</b></a></li>
     2006                        <li>401 Unauthorized&nbsp;&nbsp;<a href="#rfc.xref.status.401.1">5</a>, <a href="#rfc.iref.s.19"><b>9.4.2</b></a></li>
     2007                        <li>402 Payment Required&nbsp;&nbsp;<a href="#rfc.xref.status.402.1">5</a>, <a href="#rfc.iref.s.20"><b>9.4.3</b></a></li>
     2008                        <li>403 Forbidden&nbsp;&nbsp;<a href="#rfc.xref.status.403.1">5</a>, <a href="#rfc.iref.s.21"><b>9.4.4</b></a>, <a href="#rfc.xref.status.403.2">A.1</a></li>
     2009                        <li>404 Not Found&nbsp;&nbsp;<a href="#rfc.xref.status.404.1">5</a>, <a href="#rfc.iref.s.22"><b>9.4.5</b></a>, <a href="#rfc.xref.status.404.2">A.1</a></li>
     2010                        <li>405 Method Not Allowed&nbsp;&nbsp;<a href="#rfc.xref.status.405.1">5</a>, <a href="#rfc.iref.s.23"><b>9.4.6</b></a></li>
     2011                        <li>406 Not Acceptable&nbsp;&nbsp;<a href="#rfc.xref.status.406.1">5</a>, <a href="#rfc.iref.s.24"><b>9.4.7</b></a></li>
     2012                        <li>407 Proxy Authentication Required&nbsp;&nbsp;<a href="#rfc.xref.status.407.1">5</a>, <a href="#rfc.iref.s.25"><b>9.4.8</b></a></li>
     2013                        <li>408 Request Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.408.1">5</a>, <a href="#rfc.iref.s.26"><b>9.4.9</b></a></li>
     2014                        <li>409 Conflict&nbsp;&nbsp;<a href="#rfc.xref.status.409.1">5</a>, <a href="#rfc.iref.s.27"><b>9.4.10</b></a></li>
     2015                        <li>410 Gone&nbsp;&nbsp;<a href="#rfc.xref.status.410.1">5</a>, <a href="#rfc.iref.s.28"><b>9.4.11</b></a>, <a href="#rfc.xref.status.410.2">A.1</a></li>
     2016                        <li>411 Length Required&nbsp;&nbsp;<a href="#rfc.xref.status.411.1">5</a>, <a href="#rfc.iref.s.29"><b>9.4.12</b></a></li>
     2017                        <li>412 Precondition Failed&nbsp;&nbsp;<a href="#rfc.xref.status.412.1">5</a>, <a href="#rfc.iref.s.30"><b>9.4.13</b></a></li>
     2018                        <li>413 Request Entity Too Large&nbsp;&nbsp;<a href="#rfc.xref.status.413.1">5</a>, <a href="#rfc.iref.s.31"><b>9.4.14</b></a></li>
     2019                        <li>414 Request-URI Too Long&nbsp;&nbsp;<a href="#rfc.xref.status.414.1">5</a>, <a href="#rfc.iref.s.32"><b>9.4.15</b></a></li>
     2020                        <li>415 Unsupported Media Type&nbsp;&nbsp;<a href="#rfc.xref.status.415.1">5</a>, <a href="#rfc.iref.s.33"><b>9.4.16</b></a></li>
     2021                        <li>416 Requested Range Not Satisfiable&nbsp;&nbsp;<a href="#rfc.xref.status.416.1">5</a>, <a href="#rfc.iref.s.34"><b>9.4.17</b></a></li>
     2022                        <li>417 Expectation Failed&nbsp;&nbsp;<a href="#rfc.xref.status.417.1">5</a>, <a href="#rfc.iref.s.35"><b>9.4.18</b></a></li>
     2023                        <li>500 Internal Server Error&nbsp;&nbsp;<a href="#rfc.xref.status.500.1">5</a>, <a href="#rfc.iref.s.36"><b>9.5.1</b></a></li>
     2024                        <li>501 Not Implemented&nbsp;&nbsp;<a href="#rfc.xref.status.501.1">5</a>, <a href="#rfc.iref.s.37"><b>9.5.2</b></a></li>
     2025                        <li>502 Bad Gateway&nbsp;&nbsp;<a href="#rfc.xref.status.502.1">5</a>, <a href="#rfc.iref.s.38"><b>9.5.3</b></a></li>
     2026                        <li>503 Service Unavailable&nbsp;&nbsp;<a href="#rfc.xref.status.503.1">5</a>, <a href="#rfc.iref.s.39"><b>9.5.4</b></a></li>
     2027                        <li>504 Gateway Timeout&nbsp;&nbsp;<a href="#rfc.xref.status.504.1">5</a>, <a href="#rfc.iref.s.40"><b>9.5.5</b></a>, <a href="#rfc.xref.status.504.2">A.1</a></li>
     2028                        <li>505 HTTP Version Not Supported&nbsp;&nbsp;<a href="#rfc.xref.status.505.1">5</a>, <a href="#rfc.iref.s.41"><b>9.5.6</b></a></li>
     2029                     </ul>
     2030                  </li>
     2031               </ul>
     2032            </li>
     2033            <li><a id="rfc.index.T" href="#rfc.index.T"><b>T</b></a><ul>
     2034                  <li>TRACE method&nbsp;&nbsp;<a href="#rfc.xref.TRACE.1">3</a>, <a href="#rfc.iref.t.1"><b>8.8</b></a>, <a href="#rfc.xref.TRACE.2">10.5</a></li>
     2035               </ul>
     2036            </li>
     2037            <li><a id="rfc.index.U" href="#rfc.index.U"><b>U</b></a><ul>
     2038                  <li>UNLINK method&nbsp;&nbsp;<a href="#rfc.iref.u.2"><b>A.1</b></a></li>
     2039                  <li>User-Agent header&nbsp;&nbsp;<a href="#rfc.xref.header.user-agent.1">4</a>, <a href="#rfc.iref.u.1"><b>10.9</b></a>, <a href="#rfc.xref.header.user-agent.2">12.1</a></li>
     2040               </ul>
     2041            </li>
     2042         </ul>
     2043      </div>
    17682044      <h1><a id="rfc.copyright" href="#rfc.copyright">Full Copyright Statement</a></h1>
     2045      <p>Copyright © The IETF Trust (2008).</p>
    17692046      <p>This document is subject to the rights, licenses and restrictions contained in BCP 78, and except as set forth therein, the
    17702047         authors retain all their rights.
     
    17842061      <p>Copies of IPR disclosures made to the IETF Secretariat and any assurances of licenses to be made available, or the result
    17852062         of an attempt made to obtain a general license or permission for the use of such proprietary rights by implementers or users
    1786          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;.
     2063         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>.
    17872064      </p>
    17882065      <p>The IETF invites any interested party to bring to its attention any copyrights, patents or patent applications, or other proprietary
     
    17902067         at <a href="mailto:ietf-ipr@ietf.org">ietf-ipr@ietf.org</a>.
    17912068      </p>
    1792       <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1>
    1793       <p class="noprint"><a href="#rfc.index.1">1</a> <a href="#rfc.index.2">2</a> <a href="#rfc.index.3">3</a> <a href="#rfc.index.4">4</a> <a href="#rfc.index.5">5</a> <a href="#rfc.index.A">A</a> <a href="#rfc.index.C">C</a> <a href="#rfc.index.D">D</a> <a href="#rfc.index.E">E</a> <a href="#rfc.index.F">F</a> <a href="#rfc.index.G">G</a> <a href="#rfc.index.H">H</a> <a href="#rfc.index.L">L</a> <a href="#rfc.index.M">M</a> <a href="#rfc.index.O">O</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.T">T</a> <a href="#rfc.index.U">U</a>
    1794       </p>
    1795       <div class="print2col">
    1796          <ul class="ind">
    1797             <li class="indline0"><a id="rfc.index.1" href="#rfc.index.1"><b>1</b></a><ul class="ind">
    1798                   <li class="indline1">100 Continue (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.100.1">5</a>, <a class="iref" href="#rfc.iref.23"><b>9.1.1</b></a></li>
    1799                   <li class="indline1">101 Switching Protocols (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.101.1">5</a>, <a class="iref" href="#rfc.iref.24"><b>9.1.2</b></a></li>
    1800                </ul>
    1801             </li>
    1802             <li class="indline0"><a id="rfc.index.2" href="#rfc.index.2"><b>2</b></a><ul class="ind">
    1803                   <li class="indline1">200 OK (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.200.1">5</a>, <a class="iref" href="#rfc.iref.25"><b>9.2.1</b></a></li>
    1804                   <li class="indline1">201 Created (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.201.1">5</a>, <a class="iref" href="#rfc.iref.26"><b>9.2.2</b></a>, <a class="iref" href="#rfc.xref.status.201.2">A.1</a></li>
    1805                   <li class="indline1">202 Accepted (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.202.1">5</a>, <a class="iref" href="#rfc.iref.27"><b>9.2.3</b></a></li>
    1806                   <li class="indline1">203 Non-Authoritative Information (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.203.1">5</a>, <a class="iref" href="#rfc.iref.28"><b>9.2.4</b></a></li>
    1807                   <li class="indline1">204 No Content (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.204.1">5</a>, <a class="iref" href="#rfc.iref.29"><b>9.2.5</b></a></li>
    1808                   <li class="indline1">205 Reset Content (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.205.1">5</a>, <a class="iref" href="#rfc.iref.30"><b>9.2.6</b></a></li>
    1809                   <li class="indline1">206 Partial Content (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.206.1">5</a>, <a class="iref" href="#rfc.iref.31"><b>9.2.7</b></a></li>
    1810                </ul>
    1811             </li>
    1812             <li class="indline0"><a id="rfc.index.3" href="#rfc.index.3"><b>3</b></a><ul class="ind">
    1813                   <li class="indline1">300 Multiple Choices (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.300.1">5</a>, <a class="iref" href="#rfc.iref.32"><b>9.3.1</b></a></li>
    1814                   <li class="indline1">301 Moved Permanently (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.301.1">5</a>, <a class="iref" href="#rfc.iref.33"><b>9.3.2</b></a>, <a class="iref" href="#rfc.xref.status.301.2">A.2</a></li>
    1815                   <li class="indline1">302 Found (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.302.1">5</a>, <a class="iref" href="#rfc.iref.34"><b>9.3.3</b></a>, <a class="iref" href="#rfc.xref.status.302.2">A.2</a></li>
    1816                   <li class="indline1">303 See Other (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.303.1">5</a>, <a class="iref" href="#rfc.iref.35"><b>9.3.4</b></a></li>
    1817                   <li class="indline1">304 Not Modified (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.304.1">5</a>, <a class="iref" href="#rfc.iref.36"><b>9.3.5</b></a></li>
    1818                   <li class="indline1">305 Use Proxy (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.305.1">5</a>, <a class="iref" href="#rfc.iref.37"><b>9.3.6</b></a></li>
    1819                   <li class="indline1">306 (Unused) (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.38"><b>9.3.7</b></a></li>
    1820                   <li class="indline1">307 Temporary Redirect (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.307.1">5</a>, <a class="iref" href="#rfc.iref.39"><b>9.3.8</b></a>, <a class="iref" href="#rfc.xref.status.307.2">A.2</a></li>
    1821                </ul>
    1822             </li>
    1823             <li class="indline0"><a id="rfc.index.4" href="#rfc.index.4"><b>4</b></a><ul class="ind">
    1824                   <li class="indline1">400 Bad Request (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.400.1">5</a>, <a class="iref" href="#rfc.iref.40"><b>9.4.1</b></a></li>
    1825                   <li class="indline1">401 Unauthorized (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.401.1">5</a>, <a class="iref" href="#rfc.iref.41"><b>9.4.2</b></a></li>
    1826                   <li class="indline1">402 Payment Required (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.402.1">5</a>, <a class="iref" href="#rfc.iref.42"><b>9.4.3</b></a></li>
    1827                   <li class="indline1">403 Forbidden (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.403.1">5</a>, <a class="iref" href="#rfc.iref.43"><b>9.4.4</b></a>, <a class="iref" href="#rfc.xref.status.403.2">A.1</a></li>
    1828                   <li class="indline1">404 Not Found (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.404.1">5</a>, <a class="iref" href="#rfc.iref.44"><b>9.4.5</b></a>, <a class="iref" href="#rfc.xref.status.404.2">A.1</a></li>
    1829                   <li class="indline1">405 Method Not Allowed (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.405.1">5</a>, <a class="iref" href="#rfc.iref.45"><b>9.4.6</b></a></li>
    1830                   <li class="indline1">406 Not Acceptable (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.406.1">5</a>, <a class="iref" href="#rfc.iref.46"><b>9.4.7</b></a></li>
    1831                   <li class="indline1">407 Proxy Authentication Required (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.407.1">5</a>, <a class="iref" href="#rfc.iref.47"><b>9.4.8</b></a></li>
    1832                   <li class="indline1">408 Request Timeout (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.408.1">5</a>, <a class="iref" href="#rfc.iref.48"><b>9.4.9</b></a></li>
    1833                   <li class="indline1">409 Conflict (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.409.1">5</a>, <a class="iref" href="#rfc.iref.49"><b>9.4.10</b></a></li>
    1834                   <li class="indline1">410 Gone (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.410.1">5</a>, <a class="iref" href="#rfc.iref.50"><b>9.4.11</b></a>, <a class="iref" href="#rfc.xref.status.410.2">A.1</a></li>
    1835                   <li class="indline1">411 Length Required (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.411.1">5</a>, <a class="iref" href="#rfc.iref.51"><b>9.4.12</b></a></li>
    1836                   <li class="indline1">412 Precondition Failed (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.412.1">5</a>, <a class="iref" href="#rfc.iref.52"><b>9.4.13</b></a></li>
    1837                   <li class="indline1">413 Request Entity Too Large (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.413.1">5</a>, <a class="iref" href="#rfc.iref.53"><b>9.4.14</b></a></li>
    1838                   <li class="indline1">414 Request-URI Too Long (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.414.1">5</a>, <a class="iref" href="#rfc.iref.54"><b>9.4.15</b></a></li>
    1839                   <li class="indline1">415 Unsupported Media Type (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.415.1">5</a>, <a class="iref" href="#rfc.iref.55"><b>9.4.16</b></a></li>
    1840                   <li class="indline1">416 Requested Range Not Satisfiable (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.416.1">5</a>, <a class="iref" href="#rfc.iref.56"><b>9.4.17</b></a></li>
    1841                   <li class="indline1">417 Expectation Failed (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.417.1">5</a>, <a class="iref" href="#rfc.iref.57"><b>9.4.18</b></a></li>
    1842                </ul>
    1843             </li>
    1844             <li class="indline0"><a id="rfc.index.5" href="#rfc.index.5"><b>5</b></a><ul class="ind">
    1845                   <li class="indline1">500 Internal Server Error (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.500.1">5</a>, <a class="iref" href="#rfc.iref.58"><b>9.5.1</b></a></li>
    1846                   <li class="indline1">501 Not Implemented (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.501.1">5</a>, <a class="iref" href="#rfc.iref.59"><b>9.5.2</b></a></li>
    1847                   <li class="indline1">502 Bad Gateway (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.502.1">5</a>, <a class="iref" href="#rfc.iref.60"><b>9.5.3</b></a></li>
    1848                   <li class="indline1">503 Service Unavailable (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.503.1">5</a>, <a class="iref" href="#rfc.iref.61"><b>9.5.4</b></a></li>
    1849                   <li class="indline1">504 Gateway Timeout (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.504.1">5</a>, <a class="iref" href="#rfc.iref.62"><b>9.5.5</b></a>, <a class="iref" href="#rfc.xref.status.504.2">A.1</a></li>
    1850                   <li class="indline1">505 HTTP Version Not Supported (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.505.1">5</a>, <a class="iref" href="#rfc.iref.63"><b>9.5.6</b></a></li>
    1851                </ul>
    1852             </li>
    1853             <li class="indline0"><a id="rfc.index.A" href="#rfc.index.A"><b>A</b></a><ul class="ind">
    1854                   <li class="indline1">Allow header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.allow.1">3</a>, <a class="iref" href="#rfc.iref.a.1"><b>10.1</b></a></li>
    1855                </ul>
    1856             </li>
    1857             <li class="indline0"><a id="rfc.index.C" href="#rfc.index.C"><b>C</b></a><ul class="ind">
    1858                   <li class="indline1">CONNECT method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.CONNECT.1">3</a>, <a class="iref" href="#rfc.iref.c.1"><b>8.9</b></a></li>
    1859                </ul>
    1860             </li>
    1861             <li class="indline0"><a id="rfc.index.D" href="#rfc.index.D"><b>D</b></a><ul class="ind">
    1862                   <li class="indline1">DELETE method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.DELETE.1">3</a>, <a class="iref" href="#rfc.iref.d.1"><b>8.7</b></a></li>
    1863                </ul>
    1864             </li>
    1865             <li class="indline0"><a id="rfc.index.E" href="#rfc.index.E"><b>E</b></a><ul class="ind">
    1866                   <li class="indline1">Expect header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.expect.1">4</a>, <a class="iref" href="#rfc.xref.header.expect.2">9.4.18</a>, <a class="iref" href="#rfc.iref.e.1"><b>10.2</b></a></li>
    1867                </ul>
    1868             </li>
    1869             <li class="indline0"><a id="rfc.index.F" href="#rfc.index.F"><b>F</b></a><ul class="ind">
    1870                   <li class="indline1">From header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.from.1">4</a>, <a class="iref" href="#rfc.iref.f.1"><b>10.3</b></a></li>
    1871                </ul>
    1872             </li>
    1873             <li class="indline0"><a id="rfc.index.G" href="#rfc.index.G"><b>G</b></a><ul class="ind">
    1874                   <li class="indline1">GET method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.GET.1">3</a>, <a class="iref" href="#rfc.iref.g.8"><b>8.3</b></a></li>
    1875                   <li class="indline1"><tt>Grammar</tt>&nbsp;&nbsp;
    1876                      <ul class="ind">
    1877                         <li class="indline1"><tt>Allow</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.9"><b>10.1</b></a></li>
    1878                         <li class="indline1"><tt>delta-seconds</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.19"><b>10.7</b></a></li>
    1879                         <li class="indline1"><tt>Expect</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.10"><b>10.2</b></a></li>
    1880                         <li class="indline1"><tt>expect-params</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.13"><b>10.2</b></a></li>
    1881                         <li class="indline1"><tt>expectation</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.11"><b>10.2</b></a></li>
    1882                         <li class="indline1"><tt>expectation-extension</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.12"><b>10.2</b></a></li>
    1883                         <li class="indline1"><tt>extension-code</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.5"><b>5</b></a></li>
    1884                         <li class="indline1"><tt>extension-method</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.2"><b>3</b></a></li>
    1885                         <li class="indline1"><tt>From</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.14"><b>10.3</b></a></li>
    1886                         <li class="indline1"><tt>Location</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.15"><b>10.4</b></a></li>
    1887                         <li class="indline1"><tt>Max-Forwards</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.16"><b>10.5</b></a></li>
    1888                         <li class="indline1"><tt>Method</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.1"><b>3</b></a></li>
    1889                         <li class="indline1"><tt>Reason-Phrase</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.6"><b>5</b></a></li>
    1890                         <li class="indline1"><tt>Referer</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.17"><b>10.6</b></a></li>
    1891                         <li class="indline1"><tt>request-header</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.3"><b>4</b></a></li>
    1892                         <li class="indline1"><tt>response-header</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.7"><b>6</b></a></li>
    1893                         <li class="indline1"><tt>Retry-After</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.18"><b>10.7</b></a></li>
    1894                         <li class="indline1"><tt>Server</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.20"><b>10.8</b></a></li>
    1895                         <li class="indline1"><tt>Status-Code</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.4"><b>5</b></a></li>
    1896                         <li class="indline1"><tt>User-Agent</tt>&nbsp;&nbsp;<a class="iref" href="#rfc.iref.g.21"><b>10.9</b></a></li>
    1897                      </ul>
    1898                   </li>
    1899                </ul>
    1900             </li>
    1901             <li class="indline0"><a id="rfc.index.H" href="#rfc.index.H"><b>H</b></a><ul class="ind">
    1902                   <li class="indline1">HEAD method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.HEAD.1">3</a>, <a class="iref" href="#rfc.iref.h.1"><b>8.4</b></a></li>
    1903                   <li class="indline1">Headers&nbsp;&nbsp;
    1904                      <ul class="ind">
    1905                         <li class="indline1">Allow&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.allow.1">3</a>, <a class="iref" href="#rfc.iref.h.2"><b>10.1</b></a></li>
    1906                         <li class="indline1">Expect&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.expect.1">4</a>, <a class="iref" href="#rfc.xref.header.expect.2">9.4.18</a>, <a class="iref" href="#rfc.iref.h.3"><b>10.2</b></a></li>
    1907                         <li class="indline1">From&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.from.1">4</a>, <a class="iref" href="#rfc.iref.h.4"><b>10.3</b></a></li>
    1908                         <li class="indline1">Location&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.location.1">6</a>, <a class="iref" href="#rfc.xref.header.location.2">8.5</a>, <a class="iref" href="#rfc.iref.h.5"><b>10.4</b></a>, <a class="iref" href="#rfc.xref.header.location.3">A.2</a></li>
    1909                         <li class="indline1">Max-Forwards&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.max-forwards.1">4</a>, <a class="iref" href="#rfc.xref.header.max-forwards.2">8.8</a>, <a class="iref" href="#rfc.iref.h.6"><b>10.5</b></a></li>
    1910                         <li class="indline1">Referer&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.referer.1">4</a>, <a class="iref" href="#rfc.iref.h.7"><b>10.6</b></a></li>
    1911                         <li class="indline1">Retry-After&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.retry-after.1">6</a>, <a class="iref" href="#rfc.iref.h.8"><b>10.7</b></a></li>
    1912                         <li class="indline1">Server&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.server.1">6</a>, <a class="iref" href="#rfc.iref.h.9"><b>10.8</b></a>, <a class="iref" href="#rfc.xref.header.server.2">12.1</a>, <a class="iref" href="#rfc.xref.header.server.3">A.2</a></li>
    1913                         <li class="indline1">User-Agent&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.user-agent.1">4</a>, <a class="iref" href="#rfc.iref.h.10"><b>10.9</b></a>, <a class="iref" href="#rfc.xref.header.user-agent.2">12.1</a></li>
    1914                      </ul>
    1915                   </li>
    1916                </ul>
    1917             </li>
    1918             <li class="indline0"><a id="rfc.index.L" href="#rfc.index.L"><b>L</b></a><ul class="ind">
    1919                   <li class="indline1">LINK method&nbsp;&nbsp;<a class="iref" href="#rfc.iref.l.2"><b>A.1</b></a></li>
    1920                   <li class="indline1">Location header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.location.1">6</a>, <a class="iref" href="#rfc.xref.header.location.2">8.5</a>, <a class="iref" href="#rfc.iref.l.1"><b>10.4</b></a>, <a class="iref" href="#rfc.xref.header.location.3">A.2</a></li>
    1921                   <li class="indline1"><em>Luo1998</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Luo1998.1">8.9</a>, <a class="iref" href="#Luo1998"><b>14.2</b></a></li>
    1922                </ul>
    1923             </li>
    1924             <li class="indline0"><a id="rfc.index.M" href="#rfc.index.M"><b>M</b></a><ul class="ind">
    1925                   <li class="indline1">Max-Forwards header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.max-forwards.1">4</a>, <a class="iref" href="#rfc.xref.header.max-forwards.2">8.8</a>, <a class="iref" href="#rfc.iref.m.9"><b>10.5</b></a></li>
    1926                   <li class="indline1">Methods&nbsp;&nbsp;
    1927                      <ul class="ind">
    1928                         <li class="indline1">CONNECT&nbsp;&nbsp;<a class="iref" href="#rfc.xref.CONNECT.1">3</a>, <a class="iref" href="#rfc.iref.m.8"><b>8.9</b></a></li>
    1929                         <li class="indline1">DELETE&nbsp;&nbsp;<a class="iref" href="#rfc.xref.DELETE.1">3</a>, <a class="iref" href="#rfc.iref.m.6"><b>8.7</b></a></li>
    1930                         <li class="indline1">GET&nbsp;&nbsp;<a class="iref" href="#rfc.xref.GET.1">3</a>, <a class="iref" href="#rfc.iref.m.2"><b>8.3</b></a></li>
    1931                         <li class="indline1">HEAD&nbsp;&nbsp;<a class="iref" href="#rfc.xref.HEAD.1">3</a>, <a class="iref" href="#rfc.iref.m.3"><b>8.4</b></a></li>
    1932                         <li class="indline1">LINK&nbsp;&nbsp;<a class="iref" href="#rfc.iref.m.11"><b>A.1</b></a></li>
    1933                         <li class="indline1">OPTIONS&nbsp;&nbsp;<a class="iref" href="#rfc.xref.OPTIONS.1">3</a>, <a class="iref" href="#rfc.iref.m.1"><b>8.2</b></a>, <a class="iref" href="#rfc.xref.OPTIONS.2">10.5</a></li>
    1934                         <li class="indline1">PATCH&nbsp;&nbsp;<a class="iref" href="#rfc.iref.m.10"><b>A.1</b></a></li>
    1935                         <li class="indline1">POST&nbsp;&nbsp;<a class="iref" href="#rfc.xref.POST.1">3</a>, <a class="iref" href="#rfc.iref.m.4"><b>8.5</b></a>, <a class="iref" href="#rfc.xref.POST.2">A.2</a></li>
    1936                         <li class="indline1">PUT&nbsp;&nbsp;<a class="iref" href="#rfc.xref.PUT.1">3</a>, <a class="iref" href="#rfc.iref.m.5"><b>8.6</b></a></li>
    1937                         <li class="indline1">TRACE&nbsp;&nbsp;<a class="iref" href="#rfc.xref.TRACE.1">3</a>, <a class="iref" href="#rfc.iref.m.7"><b>8.8</b></a>, <a class="iref" href="#rfc.xref.TRACE.2">10.5</a></li>
    1938                         <li class="indline1">UNLINK&nbsp;&nbsp;<a class="iref" href="#rfc.iref.m.12"><b>A.1</b></a></li>
    1939                      </ul>
    1940                   </li>
    1941                </ul>
    1942             </li>
    1943             <li class="indline0"><a id="rfc.index.O" href="#rfc.index.O"><b>O</b></a><ul class="ind">
    1944                   <li class="indline1">OPTIONS method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.OPTIONS.1">3</a>, <a class="iref" href="#rfc.iref.o.1"><b>8.2</b></a>, <a class="iref" href="#rfc.xref.OPTIONS.2">10.5</a></li>
    1945                </ul>
    1946             </li>
    1947             <li class="indline0"><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul class="ind">
    1948                   <li class="indline1"><em>Part1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.1">1</a>, <a class="iref" href="#rfc.xref.Part1.2">2</a>, <a class="iref" href="#rfc.xref.Part1.3">2</a>, <a class="iref" href="#rfc.xref.Part1.4">2</a>, <a class="iref" href="#rfc.xref.Part1.5">2</a>, <a class="iref" href="#rfc.xref.Part1.6">2</a>, <a class="iref" href="#rfc.xref.Part1.7">2</a>, <a class="iref" href="#rfc.xref.Part1.8">2</a>, <a class="iref" href="#rfc.xref.Part1.9">2</a>, <a class="iref" href="#rfc.xref.Part1.10">2</a>, <a class="iref" href="#rfc.xref.Part1.11">2</a>, <a class="iref" href="#rfc.xref.Part1.12">2</a>, <a class="iref" href="#rfc.xref.Part1.13">2</a>, <a class="iref" href="#rfc.xref.Part1.14">2</a>, <a class="iref" href="#rfc.xref.Part1.15">4</a>, <a class="iref" href="#rfc.xref.Part1.16">4</a>, <a class="iref" href="#rfc.xref.Part1.17">7</a>, <a class="iref" href="#rfc.xref.Part1.18">8.8</a>, <a class="iref" href="#rfc.xref.Part1.19">9.1.1</a>, <a class="iref" href="#rfc.xref.Part1.20">9.5.6</a>, <a class="iref" href="#rfc.xref.Part1.21">10.2</a>, <a class="iref" href="#rfc.xref.Part1.22">10.8</a>, <a class="iref" href="#rfc.xref.Part1.23">10.8</a>, <a class="iref" href="#rfc.xref.Part1.24">10.9</a>, <a class="iref" href="#Part1"><b>14.1</b></a>, <a class="iref" href="#rfc.xref.Part1.25">A.2</a><ul class="ind">
    1949                         <li class="indline1"><em>Section 2.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.2">2</a></li>
    1950                         <li class="indline1"><em>Section 2.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.3">2</a>, <a class="iref" href="#rfc.xref.Part1.4">2</a>, <a class="iref" href="#rfc.xref.Part1.5">2</a>, <a class="iref" href="#rfc.xref.Part1.6">2</a>, <a class="iref" href="#rfc.xref.Part1.7">2</a></li>
    1951                         <li class="indline1"><em>Section 3.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.20">9.5.6</a></li>
    1952                         <li class="indline1"><em>Section 3.2.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.8">2</a>, <a class="iref" href="#rfc.xref.Part1.9">2</a>, <a class="iref" href="#rfc.xref.Part1.13">2</a></li>
    1953                         <li class="indline1"><em>Section 3.3.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.11">2</a></li>
    1954                         <li class="indline1"><em>Section 3.5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.12">2</a>, <a class="iref" href="#rfc.xref.Part1.22">10.8</a>, <a class="iref" href="#rfc.xref.Part1.24">10.9</a></li>
    1955                         <li class="indline1"><em>Section 4.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.17">7</a></li>
    1956                         <li class="indline1"><em>Section 7.2.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.19">9.1.1</a>, <a class="iref" href="#rfc.xref.Part1.21">10.2</a></li>
    1957                         <li class="indline1"><em>Section 8.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.10">2</a>, <a class="iref" href="#rfc.xref.Part1.15">4</a></li>
    1958                         <li class="indline1"><em>Section 8.8</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.14">2</a>, <a class="iref" href="#rfc.xref.Part1.16">4</a></li>
    1959                         <li class="indline1"><em>Section 8.9</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.18">8.8</a>, <a class="iref" href="#rfc.xref.Part1.23">10.8</a>, <a class="iref" href="#rfc.xref.Part1.25">A.2</a></li>
    1960                      </ul>
    1961                   </li>
    1962                   <li class="indline1"><em>Part3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.1">2</a>, <a class="iref" href="#rfc.xref.Part3.2">2</a>, <a class="iref" href="#rfc.xref.Part3.3">2</a>, <a class="iref" href="#rfc.xref.Part3.4">2</a>, <a class="iref" href="#rfc.xref.Part3.5">4</a>, <a class="iref" href="#rfc.xref.Part3.6">4</a>, <a class="iref" href="#rfc.xref.Part3.7">4</a>, <a class="iref" href="#rfc.xref.Part3.8">4</a>, <a class="iref" href="#rfc.xref.Part3.9">7</a>, <a class="iref" href="#rfc.xref.Part3.10">9.3.1</a>, <a class="iref" href="#rfc.xref.Part3.11">10.4</a>, <a class="iref" href="#Part3"><b>14.1</b></a><ul class="ind">
    1963                         <li class="indline1"><em>Section 5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.10">9.3.1</a></li>
    1964                         <li class="indline1"><em>Section 6.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.1">2</a>, <a class="iref" href="#rfc.xref.Part3.5">4</a></li>
    1965                         <li class="indline1"><em>Section 6.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.2">2</a>, <a class="iref" href="#rfc.xref.Part3.6">4</a></li>
    1966                         <li class="indline1"><em>Section 6.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.3">2</a>, <a class="iref" href="#rfc.xref.Part3.7">4</a></li>
    1967                         <li class="indline1"><em>Section 6.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.4">2</a>, <a class="iref" href="#rfc.xref.Part3.8">4</a></li>
    1968                         <li class="indline1"><em>Section 6.7</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.11">10.4</a></li>
    1969                      </ul>
    1970                   </li>
    1971                   <li class="indline1"><em>Part4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part4.1">2</a>, <a class="iref" href="#rfc.xref.Part4.2">2</a>, <a class="iref" href="#rfc.xref.Part4.3">2</a>, <a class="iref" href="#rfc.xref.Part4.4">2</a>, <a class="iref" href="#rfc.xref.Part4.5">2</a>, <a class="iref" href="#rfc.xref.Part4.6">4</a>, <a class="iref" href="#rfc.xref.Part4.7">4</a>, <a class="iref" href="#rfc.xref.Part4.8">4</a>, <a class="iref" href="#rfc.xref.Part4.9">4</a>, <a class="iref" href="#rfc.xref.Part4.10">6</a>, <a class="iref" href="#rfc.xref.Part4.11">9.2.2</a>, <a class="iref" href="#rfc.xref.Part4.12">9.3.5</a>, <a class="iref" href="#rfc.xref.Part4.13">9.4.13</a>, <a class="iref" href="#Part4"><b>14.1</b></a>, <a class="iref" href="#rfc.xref.Part4.14">B.2</a><ul class="ind">
    1972                         <li class="indline1"><em>Section 7.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part4.1">2</a>, <a class="iref" href="#rfc.xref.Part4.10">6</a>, <a class="iref" href="#rfc.xref.Part4.11">9.2.2</a></li>
    1973                         <li class="indline1"><em>Section 7.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part4.2">2</a>, <a class="iref" href="#rfc.xref.Part4.6">4</a></li>
    1974                         <li class="indline1"><em>Section 7.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part4.3">2</a>, <a class="iref" href="#rfc.xref.Part4.7">4</a></li>
    1975                         <li class="indline1"><em>Section 7.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part4.4">2</a>, <a class="iref" href="#rfc.xref.Part4.8">4</a></li>
    1976                         <li class="indline1"><em>Section 7.5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part4.5">2</a>, <a class="iref" href="#rfc.xref.Part4.9">4</a></li>
    1977                      </ul>
    1978                   </li>
    1979                   <li class="indline1"><em>Part5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part5.1">2</a>, <a class="iref" href="#rfc.xref.Part5.2">2</a>, <a class="iref" href="#rfc.xref.Part5.3">2</a>, <a class="iref" href="#rfc.xref.Part5.4">4</a>, <a class="iref" href="#rfc.xref.Part5.5">4</a>, <a class="iref" href="#rfc.xref.Part5.6">6</a>, <a class="iref" href="#rfc.xref.Part5.7">8.3</a>, <a class="iref" href="#rfc.xref.Part5.8">9.1.2</a>, <a class="iref" href="#rfc.xref.Part5.9">9.2.7</a>, <a class="iref" href="#rfc.xref.Part5.10">9.4.17</a>, <a class="iref" href="#Part5"><b>14.1</b></a><ul class="ind">
    1980                         <li class="indline1"><em>Section 6.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part5.1">2</a>, <a class="iref" href="#rfc.xref.Part5.6">6</a></li>
    1981                         <li class="indline1"><em>Section 6.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part5.2">2</a>, <a class="iref" href="#rfc.xref.Part5.4">4</a></li>
    1982                         <li class="indline1"><em>Section 6.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part5.3">2</a>, <a class="iref" href="#rfc.xref.Part5.5">4</a>, <a class="iref" href="#rfc.xref.Part5.7">8.3</a>, <a class="iref" href="#rfc.xref.Part5.8">9.1.2</a>, <a class="iref" href="#rfc.xref.Part5.10">9.4.17</a></li>
    1983                      </ul>
    1984                   </li>
    1985                   <li class="indline1"><em>Part6</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part6.1">2</a>, <a class="iref" href="#rfc.xref.Part6.2">2</a>, <a class="iref" href="#rfc.xref.Part6.3">6</a>, <a class="iref" href="#rfc.xref.Part6.4">6</a>, <a class="iref" href="#rfc.xref.Part6.5">8.3</a>, <a class="iref" href="#Part6"><b>14.1</b></a><ul class="ind">
    1986                         <li class="indline1"><em>Section 16.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part6.1">2</a>, <a class="iref" href="#rfc.xref.Part6.3">6</a></li>
    1987                         <li class="indline1"><em>Section 16.5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part6.2">2</a>, <a class="iref" href="#rfc.xref.Part6.4">6</a></li>
    1988                      </ul>
    1989                   </li>
    1990                   <li class="indline1"><em>Part7</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part7.1">2</a>, <a class="iref" href="#rfc.xref.Part7.2">2</a>, <a class="iref" href="#rfc.xref.Part7.3">2</a>, <a class="iref" href="#rfc.xref.Part7.4">2</a>, <a class="iref" href="#rfc.xref.Part7.5">4</a>, <a class="iref" href="#rfc.xref.Part7.6">4</a>, <a class="iref" href="#rfc.xref.Part7.7">6</a>, <a class="iref" href="#rfc.xref.Part7.8">6</a>, <a class="iref" href="#rfc.xref.Part7.9">9.4.2</a>, <a class="iref" href="#rfc.xref.Part7.10">9.4.8</a>, <a class="iref" href="#Part7"><b>14.1</b></a><ul class="ind">
    1991                         <li class="indline1"><em>Section 4.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part7.1">2</a>, <a class="iref" href="#rfc.xref.Part7.5">4</a></li>
    1992                         <li class="indline1"><em>Section 4.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part7.2">2</a>, <a class="iref" href="#rfc.xref.Part7.7">6</a></li>
    1993                         <li class="indline1"><em>Section 4.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part7.3">2</a>, <a class="iref" href="#rfc.xref.Part7.6">4</a></li>
    1994                         <li class="indline1"><em>Section 4.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part7.4">2</a>, <a class="iref" href="#rfc.xref.Part7.8">6</a></li>
    1995                      </ul>
    1996                   </li>
    1997                   <li class="indline1">PATCH method&nbsp;&nbsp;<a class="iref" href="#rfc.iref.p.3"><b>A.1</b></a></li>
    1998                   <li class="indline1">POST method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.POST.1">3</a>, <a class="iref" href="#rfc.iref.p.1"><b>8.5</b></a>, <a class="iref" href="#rfc.xref.POST.2">A.2</a></li>
    1999                   <li class="indline1">PUT method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.PUT.1">3</a>, <a class="iref" href="#rfc.iref.p.2"><b>8.6</b></a></li>
    2000                </ul>
    2001             </li>
    2002             <li class="indline0"><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul class="ind">
    2003                   <li class="indline1">Referer header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.referer.1">4</a>, <a class="iref" href="#rfc.iref.r.1"><b>10.6</b></a></li>
    2004                   <li class="indline1">Retry-After header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.retry-after.1">6</a>, <a class="iref" href="#rfc.iref.r.2"><b>10.7</b></a></li>
    2005                   <li class="indline1"><em>RFC1945</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC1945.1">9.3.3</a>, <a class="iref" href="#RFC1945"><b>14.2</b></a></li>
    2006                   <li class="indline1"><em>RFC2068</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2068.1">9.3.3</a>, <a class="iref" href="#rfc.xref.RFC2068.2">9.3.6</a>, <a class="iref" href="#RFC2068"><b>14.2</b></a>, <a class="iref" href="#rfc.xref.RFC2068.3">A.1</a></li>
    2007                   <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>14.1</b></a></li>
    2008                   <li class="indline1"><em>RFC2616</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2616.1">1</a>, <a class="iref" href="#RFC2616"><b>14.2</b></a>, <a class="iref" href="#rfc.xref.RFC2616.2">B.1</a></li>
    2009                   <li class="indline1"><em>RFC2822</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2822.1">10.3</a>, <a class="iref" href="#rfc.xref.RFC2822.2">10.3</a>, <a class="iref" href="#RFC2822"><b>14.2</b></a><ul class="ind">
    2010                         <li class="indline1"><em>Section 3.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2822.1">10.3</a>, <a class="iref" href="#rfc.xref.RFC2822.2">10.3</a></li>
    2011                      </ul>
    2012                   </li>
    2013                </ul>
    2014             </li>
    2015             <li class="indline0"><a id="rfc.index.S" href="#rfc.index.S"><b>S</b></a><ul class="ind">
    2016                   <li class="indline1">Server header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.server.1">6</a>, <a class="iref" href="#rfc.iref.s.42"><b>10.8</b></a>, <a class="iref" href="#rfc.xref.header.server.2">12.1</a>, <a class="iref" href="#rfc.xref.header.server.3">A.2</a></li>
    2017                   <li class="indline1">Status Codes&nbsp;&nbsp;
    2018                      <ul class="ind">
    2019                         <li class="indline1">100 Continue&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.100.1">5</a>, <a class="iref" href="#rfc.iref.s.1"><b>9.1.1</b></a></li>
    2020                         <li class="indline1">101 Switching Protocols&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.101.1">5</a>, <a class="iref" href="#rfc.iref.s.2"><b>9.1.2</b></a></li>
    2021                         <li class="indline1">200 OK&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.200.1">5</a>, <a class="iref" href="#rfc.iref.s.3"><b>9.2.1</b></a></li>
    2022                         <li class="indline1">201 Created&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.201.1">5</a>, <a class="iref" href="#rfc.iref.s.4"><b>9.2.2</b></a>, <a class="iref" href="#rfc.xref.status.201.2">A.1</a></li>
    2023                         <li class="indline1">202 Accepted&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.202.1">5</a>, <a class="iref" href="#rfc.iref.s.5"><b>9.2.3</b></a></li>
    2024                         <li class="indline1">203 Non-Authoritative Information&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.203.1">5</a>, <a class="iref" href="#rfc.iref.s.6"><b>9.2.4</b></a></li>
    2025                         <li class="indline1">204 No Content&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.204.1">5</a>, <a class="iref" href="#rfc.iref.s.7"><b>9.2.5</b></a></li>
    2026                         <li class="indline1">205 Reset Content&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.205.1">5</a>, <a class="iref" href="#rfc.iref.s.8"><b>9.2.6</b></a></li>
    2027                         <li class="indline1">206 Partial Content&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.206.1">5</a>, <a class="iref" href="#rfc.iref.s.9"><b>9.2.7</b></a></li>
    2028                         <li class="indline1">300 Multiple Choices&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.300.1">5</a>, <a class="iref" href="#rfc.iref.s.10"><b>9.3.1</b></a></li>
    2029                         <li class="indline1">301 Moved Permanently&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.301.1">5</a>, <a class="iref" href="#rfc.iref.s.11"><b>9.3.2</b></a>, <a class="iref" href="#rfc.xref.status.301.2">A.2</a></li>
    2030                         <li class="indline1">302 Found&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.302.1">5</a>, <a class="iref" href="#rfc.iref.s.12"><b>9.3.3</b></a>, <a class="iref" href="#rfc.xref.status.302.2">A.2</a></li>
    2031                         <li class="indline1">303 See Other&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.303.1">5</a>, <a class="iref" href="#rfc.iref.s.13"><b>9.3.4</b></a></li>
    2032                         <li class="indline1">304 Not Modified&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.304.1">5</a>, <a class="iref" href="#rfc.iref.s.14"><b>9.3.5</b></a></li>
    2033                         <li class="indline1">305 Use Proxy&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.305.1">5</a>, <a class="iref" href="#rfc.iref.s.15"><b>9.3.6</b></a></li>
    2034                         <li class="indline1">306 (Unused)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.16"><b>9.3.7</b></a></li>
    2035                         <li class="indline1">307 Temporary Redirect&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.307.1">5</a>, <a class="iref" href="#rfc.iref.s.17"><b>9.3.8</b></a>, <a class="iref" href="#rfc.xref.status.307.2">A.2</a></li>
    2036                         <li class="indline1">400 Bad Request&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.400.1">5</a>, <a class="iref" href="#rfc.iref.s.18"><b>9.4.1</b></a></li>
    2037                         <li class="indline1">401 Unauthorized&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.401.1">5</a>, <a class="iref" href="#rfc.iref.s.19"><b>9.4.2</b></a></li>
    2038                         <li class="indline1">402 Payment Required&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.402.1">5</a>, <a class="iref" href="#rfc.iref.s.20"><b>9.4.3</b></a></li>
    2039                         <li class="indline1">403 Forbidden&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.403.1">5</a>, <a class="iref" href="#rfc.iref.s.21"><b>9.4.4</b></a>, <a class="iref" href="#rfc.xref.status.403.2">A.1</a></li>
    2040                         <li class="indline1">404 Not Found&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.404.1">5</a>, <a class="iref" href="#rfc.iref.s.22"><b>9.4.5</b></a>, <a class="iref" href="#rfc.xref.status.404.2">A.1</a></li>
    2041                         <li class="indline1">405 Method Not Allowed&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.405.1">5</a>, <a class="iref" href="#rfc.iref.s.23"><b>9.4.6</b></a></li>
    2042                         <li class="indline1">406 Not Acceptable&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.406.1">5</a>, <a class="iref" href="#rfc.iref.s.24"><b>9.4.7</b></a></li>
    2043                         <li class="indline1">407 Proxy Authentication Required&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.407.1">5</a>, <a class="iref" href="#rfc.iref.s.25"><b>9.4.8</b></a></li>
    2044                         <li class="indline1">408 Request Timeout&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.408.1">5</a>, <a class="iref" href="#rfc.iref.s.26"><b>9.4.9</b></a></li>
    2045                         <li class="indline1">409 Conflict&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.409.1">5</a>, <a class="iref" href="#rfc.iref.s.27"><b>9.4.10</b></a></li>
    2046                         <li class="indline1">410 Gone&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.410.1">5</a>, <a class="iref" href="#rfc.iref.s.28"><b>9.4.11</b></a>, <a class="iref" href="#rfc.xref.status.410.2">A.1</a></li>
    2047                         <li class="indline1">411 Length Required&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.411.1">5</a>, <a class="iref" href="#rfc.iref.s.29"><b>9.4.12</b></a></li>
    2048                         <li class="indline1">412 Precondition Failed&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.412.1">5</a>, <a class="iref" href="#rfc.iref.s.30"><b>9.4.13</b></a></li>
    2049                         <li class="indline1">413 Request Entity Too Large&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.413.1">5</a>, <a class="iref" href="#rfc.iref.s.31"><b>9.4.14</b></a></li>
    2050                         <li class="indline1">414 Request-URI Too Long&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.414.1">5</a>, <a class="iref" href="#rfc.iref.s.32"><b>9.4.15</b></a></li>
    2051                         <li class="indline1">415 Unsupported Media Type&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.415.1">5</a>, <a class="iref" href="#rfc.iref.s.33"><b>9.4.16</b></a></li>
    2052                         <li class="indline1">416 Requested Range Not Satisfiable&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.416.1">5</a>, <a class="iref" href="#rfc.iref.s.34"><b>9.4.17</b></a></li>
    2053                         <li class="indline1">417 Expectation Failed&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.417.1">5</a>, <a class="iref" href="#rfc.iref.s.35"><b>9.4.18</b></a></li>
    2054                         <li class="indline1">500 Internal Server Error&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.500.1">5</a>, <a class="iref" href="#rfc.iref.s.36"><b>9.5.1</b></a></li>
    2055                         <li class="indline1">501 Not Implemented&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.501.1">5</a>, <a class="iref" href="#rfc.iref.s.37"><b>9.5.2</b></a></li>
    2056                         <li class="indline1">502 Bad Gateway&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.502.1">5</a>, <a class="iref" href="#rfc.iref.s.38"><b>9.5.3</b></a></li>
    2057                         <li class="indline1">503 Service Unavailable&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.503.1">5</a>, <a class="iref" href="#rfc.iref.s.39"><b>9.5.4</b></a></li>
    2058                         <li class="indline1">504 Gateway Timeout&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.504.1">5</a>, <a class="iref" href="#rfc.iref.s.40"><b>9.5.5</b></a>, <a class="iref" href="#rfc.xref.status.504.2">A.1</a></li>
    2059                         <li class="indline1">505 HTTP Version Not Supported&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.505.1">5</a>, <a class="iref" href="#rfc.iref.s.41"><b>9.5.6</b></a></li>
    2060                      </ul>
    2061                   </li>
    2062                </ul>
    2063             </li>
    2064             <li class="indline0"><a id="rfc.index.T" href="#rfc.index.T"><b>T</b></a><ul class="ind">
    2065                   <li class="indline1">TRACE method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.TRACE.1">3</a>, <a class="iref" href="#rfc.iref.t.1"><b>8.8</b></a>, <a class="iref" href="#rfc.xref.TRACE.2">10.5</a></li>
    2066                </ul>
    2067             </li>
    2068             <li class="indline0"><a id="rfc.index.U" href="#rfc.index.U"><b>U</b></a><ul class="ind">
    2069                   <li class="indline1">UNLINK method&nbsp;&nbsp;<a class="iref" href="#rfc.iref.u.2"><b>A.1</b></a></li>
    2070                   <li class="indline1">User-Agent header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.user-agent.1">4</a>, <a class="iref" href="#rfc.iref.u.1"><b>10.9</b></a>, <a class="iref" href="#rfc.xref.header.user-agent.2">12.1</a></li>
    2071                </ul>
    2072             </li>
    2073          </ul>
    2074       </div>
    20752069   </body>
    20762070</html>
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