Ignore:
Timestamp:
14/06/14 11:20:37 (6 years ago)
Author:
julian.reschke@…
Message:

update to latest version of rfc2629.xslt, regen all HTML

File:
1 edited

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  • draft-ietf-httpbis/24/p1-messaging.html

    r2418 r2726  
    77var buttonsAdded = false;
    88
    9 function init() {
     9function initFeedback() {
    1010  var fb = document.createElement("div");
    1111  fb.className = "feedback noprint";
     
    144144  page-break-after: avoid;
    145145}
    146 h3, h4, h5, h6 {
     146h3 {
    147147  font-size: 110%;
     148  page-break-after: avoid;
     149}
     150h4, h5, h6 {
    148151  page-break-after: avoid;
    149152}
     
    205208table.tt {
    206209  vertical-align: top;
     210  border-color: gray;
     211}
     212table.tt th {
     213  border-color: gray;
     214}
     215table.tt td {
     216  border-color: gray;
     217}
     218table.all {
     219  border-style: solid;
     220  border-width: 2px;
    207221}
    208222table.full {
    209   border-style: outset;
    210   border-width: 1px;
    211 }
    212 table.headers {
    213   border-style: outset;
    214   border-width: 1px;
     223  border-style: solid;
     224  border-width: 2px;
    215225}
    216226table.tt td {
    217227  vertical-align: top;
    218228}
     229table.all td {
     230  border-style: solid;
     231  border-width: 1px;
     232}
    219233table.full td {
    220   border-style: inset;
     234  border-style: none solid;
    221235  border-width: 1px;
    222236}
     
    224238  vertical-align: top;
    225239}
     240table.all th {
     241  border-style: solid;
     242  border-width: 1px;
     243}
    226244table.full th {
    227   border-style: inset;
    228   border-width: 1px;
     245  border-style: solid;
     246  border-width: 1px 1px 2px 1px;
    229247}
    230248table.headers th {
    231   border-style: none none inset none;
    232   border-width: 1px;
     249  border-style: none none solid none;
     250  border-width: 2px;
    233251}
    234252table.left {
     
    482500      <link rel="Appendix" title="C Change Log (to be removed by RFC Editor before publication)" href="#rfc.section.C">
    483501      <link href="p2-semantics.html" rel="next">
    484       <meta name="generator" content="http://greenbytes.de/tech/webdav/rfc2629.xslt, Revision 1.603, 2013/09/18 20:22:25, XSLT vendor: SAXON 8.9 from Saxonica http://www.saxonica.com/">
     502      <meta name="generator" content="http://greenbytes.de/tech/webdav/rfc2629.xslt, Revision 1.640, 2014/06/13 12:42:58, XSLT vendor: SAXON 8.9 from Saxonica http://www.saxonica.com/">
    485503      <link rel="schema.dct" href="http://purl.org/dc/terms/">
    486504      <meta name="dct.creator" content="Fielding, R.">
     
    493511      <meta name="description" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. HTTP has been in use by the World Wide Web global information initiative since 1990. This document provides an overview of HTTP architecture and its associated terminology, defines the &#34;http&#34; and &#34;https&#34; Uniform Resource Identifier (URI) schemes, defines the HTTP/1.1 message syntax and parsing requirements, and describes general security concerns for implementations.">
    494512   </head>
    495    <body onload="init();">
     513   <body onload="initFeedback();">
    496514      <table class="header">
    497515         <tbody>
     
    505523            </tr>
    506524            <tr>
    507                <td class="left">Obsoletes: <a href="http://tools.ietf.org/html/rfc2145">2145</a>, <a href="http://tools.ietf.org/html/rfc2616">2616</a> (if approved)
     525               <td class="left">Obsoletes: <a href="https://tools.ietf.org/html/rfc2145">2145</a>, <a href="https://tools.ietf.org/html/rfc2616">2616</a> (if approved)
    508526               </td>
    509527               <td class="right">J. Reschke, Editor</td>
    510528            </tr>
    511529            <tr>
    512                <td class="left">Updates: <a href="http://tools.ietf.org/html/rfc2817">2817</a>, <a href="http://tools.ietf.org/html/rfc2818">2818</a> (if approved)
     530               <td class="left">Updates: <a href="https://tools.ietf.org/html/rfc2817">2817</a>, <a href="https://tools.ietf.org/html/rfc2818">2818</a> (if approved)
    513531               </td>
    514532               <td class="right">greenbytes</td>
     
    694712            </ul>
    695713         </li>
    696          <li><a href="#rfc.authors">Authors' Addresses</a></li>
    697714         <li><a href="#rfc.section.A">A.</a>&nbsp;&nbsp;&nbsp;<a href="#compatibility">HTTP Version History</a><ul>
    698715               <li><a href="#rfc.section.A.1">A.1</a>&nbsp;&nbsp;&nbsp;<a href="#changes.from.1.0">Changes from HTTP/1.0</a><ul>
     
    714731         </li>
    715732         <li><a href="#rfc.index">Index</a></li>
     733         <li><a href="#rfc.authors">Authors' Addresses</a></li>
    716734      </ul>
    717735      <div id="introduction">
     
    782800            </p>
    783801            <div id="core.rules">
    784                <p id="rfc.section.1.2.p.2">            The following core rules are included by reference, as defined in <a href="#RFC5234" id="rfc.xref.RFC5234.2"><cite title="Augmented BNF for Syntax Specifications: ABNF">[RFC5234]</cite></a>, <a href="http://tools.ietf.org/html/rfc5234#appendix-B.1">Appendix B.1</a>: ALPHA (letters), CR (carriage return), CRLF (CR LF), CTL (controls), DIGIT (decimal 0-9), DQUOTE (double quote), HEXDIG
     802               <p id="rfc.section.1.2.p.2">            The following core rules are included by reference, as defined in <a href="#RFC5234" id="rfc.xref.RFC5234.2"><cite title="Augmented BNF for Syntax Specifications: ABNF">[RFC5234]</cite></a>, <a href="https://tools.ietf.org/html/rfc5234#appendix-B.1">Appendix B.1</a>: ALPHA (letters), CR (carriage return), CRLF (CR LF), CTL (controls), DIGIT (decimal 0-9), DQUOTE (double quote), HEXDIG
    785803                  (hexadecimal 0-9/A-F/a-f), HTAB (horizontal tab), LF (line feed), OCTET (any 8-bit sequence of data), SP (space), and VCHAR
    786804                  (any visible <a href="#USASCII" id="rfc.xref.USASCII.1"><cite title="Coded Character Set -- 7-bit American Standard Code for Information Interchange">[USASCII]</cite></a> character).
     
    10721090               elements that allow a relative URI but not a fragment.
    10731091            </p>
    1074             <div id="rfc.figure.u.7"></div><pre class="inline"><span id="rfc.iref.g.16"></span><span id="rfc.iref.g.17"></span><span id="rfc.iref.g.18"></span><span id="rfc.iref.g.19"></span><span id="rfc.iref.g.20"></span><span id="rfc.iref.g.21"></span><span id="rfc.iref.g.22"></span><span id="rfc.iref.g.23"></span><span id="rfc.iref.g.24"></span><span id="rfc.iref.g.25"></span>  <a href="#uri" class="smpl">URI-reference</a> = &lt;URI-reference, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.3"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-4.1">Section 4.1</a>&gt;
    1075   <a href="#uri" class="smpl">absolute-URI</a>  = &lt;absolute-URI, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.4"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-4.3">Section 4.3</a>&gt;
    1076   <a href="#uri" class="smpl">relative-part</a> = &lt;relative-part, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.5"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-4.2">Section 4.2</a>&gt;
    1077   <a href="#uri" class="smpl">authority</a>     = &lt;authority, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.6"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.2">Section 3.2</a>&gt;
    1078   <a href="#uri" class="smpl">uri-host</a>      = &lt;host, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.7"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.2.2">Section 3.2.2</a>&gt;
    1079   <a href="#uri" class="smpl">port</a>          = &lt;port, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.8"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.2.3">Section 3.2.3</a>&gt;
    1080   <a href="#uri" class="smpl">path-abempty</a>  = &lt;path-abempty, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.9"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.3">Section 3.3</a>&gt;
    1081   <a href="#uri" class="smpl">segment</a>       = &lt;segment, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.10"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.3">Section 3.3</a>&gt;
    1082   <a href="#uri" class="smpl">query</a>         = &lt;query, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.11"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.4">Section 3.4</a>&gt;
    1083   <a href="#uri" class="smpl">fragment</a>      = &lt;fragment, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.12"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.5">Section 3.5</a>&gt;
     1092            <div id="rfc.figure.u.7"></div><pre class="inline"><span id="rfc.iref.g.16"></span><span id="rfc.iref.g.17"></span><span id="rfc.iref.g.18"></span><span id="rfc.iref.g.19"></span><span id="rfc.iref.g.20"></span><span id="rfc.iref.g.21"></span><span id="rfc.iref.g.22"></span><span id="rfc.iref.g.23"></span><span id="rfc.iref.g.24"></span><span id="rfc.iref.g.25"></span>  <a href="#uri" class="smpl">URI-reference</a> = &lt;URI-reference, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.3"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-4.1">Section 4.1</a>&gt;
     1093  <a href="#uri" class="smpl">absolute-URI</a>  = &lt;absolute-URI, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.4"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-4.3">Section 4.3</a>&gt;
     1094  <a href="#uri" class="smpl">relative-part</a> = &lt;relative-part, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.5"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-4.2">Section 4.2</a>&gt;
     1095  <a href="#uri" class="smpl">authority</a>     = &lt;authority, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.6"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.2">Section 3.2</a>&gt;
     1096  <a href="#uri" class="smpl">uri-host</a>      = &lt;host, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.7"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.2.2">Section 3.2.2</a>&gt;
     1097  <a href="#uri" class="smpl">port</a>          = &lt;port, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.8"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.2.3">Section 3.2.3</a>&gt;
     1098  <a href="#uri" class="smpl">path-abempty</a>  = &lt;path-abempty, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.9"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.3">Section 3.3</a>&gt;
     1099  <a href="#uri" class="smpl">segment</a>       = &lt;segment, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.10"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.3">Section 3.3</a>&gt;
     1100  <a href="#uri" class="smpl">query</a>         = &lt;query, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.11"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.4">Section 3.4</a>&gt;
     1101  <a href="#uri" class="smpl">fragment</a>      = &lt;fragment, defined in <a href="#RFC3986" id="rfc.xref.RFC3986.12"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.5">Section 3.5</a>&gt;
    10841102 
    10851103  <a href="#uri" class="smpl">absolute-path</a> = 1*( "/" segment )
     
    10991117               <div id="rfc.figure.u.8"></div><pre class="inline"><span id="rfc.iref.g.26"></span>  <a href="#http.uri" class="smpl">http-URI</a> = "http:" "//" <a href="#uri" class="smpl">authority</a> <a href="#uri" class="smpl">path-abempty</a> [ "?" <a href="#uri" class="smpl">query</a> ]
    11001118             [ "#" <a href="#uri" class="smpl">fragment</a> ]
    1101 </pre><p id="rfc.section.2.7.1.p.3">The HTTP origin server is identified by the generic syntax's <a href="#uri" class="smpl">authority</a> component, which includes a host identifier and optional TCP port (<a href="#RFC3986" id="rfc.xref.RFC3986.13"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.2.2">Section 3.2.2</a>). The remainder of the URI, consisting of both the hierarchical path component and optional query component, serves as an
     1119</pre><p id="rfc.section.2.7.1.p.3">The HTTP origin server is identified by the generic syntax's <a href="#uri" class="smpl">authority</a> component, which includes a host identifier and optional TCP port (<a href="#RFC3986" id="rfc.xref.RFC3986.13"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.2.2">Section 3.2.2</a>). The remainder of the URI, consisting of both the hierarchical path component and optional query component, serves as an
    11021120                  identifier for a potential resource within that origin server's name space.
    11031121               </p>
     
    11241142                  — it is only the authoritative interface that is specific to TCP.
    11251143               </p>
    1126                <p id="rfc.section.2.7.1.p.9">The URI generic syntax for authority also includes a deprecated userinfo subcomponent (<a href="#RFC3986" id="rfc.xref.RFC3986.14"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.2.1">Section 3.2.1</a>) for including user authentication information in the URI. Some implementations make use of the userinfo component for internal
     1144               <p id="rfc.section.2.7.1.p.9">The URI generic syntax for authority also includes a deprecated userinfo subcomponent (<a href="#RFC3986" id="rfc.xref.RFC3986.14"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.2.1">Section 3.2.1</a>) for including user authentication information in the URI. Some implementations make use of the userinfo component for internal
    11271145                  configuration of authentication information, such as within command invocation options, configuration files, or bookmark lists,
    11281146                  even though such usage might expose a user identifier or password. A sender <em class="bcp14">MUST NOT</em> generate the userinfo subcomponent (and its "@" delimiter) when an "http" URI reference is generated within a message as a
     
    11561174               <h3 id="rfc.section.2.7.3"><a href="#rfc.section.2.7.3">2.7.3</a>&nbsp;<a href="#uri.comparison">http and https URI Normalization and Comparison</a></h3>
    11571175               <p id="rfc.section.2.7.3.p.1">Since the "http" and "https" schemes conform to the URI generic syntax, such URIs are normalized and compared according to
    1158                   the algorithm defined in <a href="#RFC3986" id="rfc.xref.RFC3986.15"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-6">Section 6</a>, using the defaults described above for each scheme.
     1176                  the algorithm defined in <a href="#RFC3986" id="rfc.xref.RFC3986.15"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-6">Section 6</a>, using the defaults described above for each scheme.
    11591177               </p>
    11601178               <p id="rfc.section.2.7.3.p.2">If the port is equal to the default port for a scheme, the normal form is to omit the port subcomponent. When not being used
     
    11621180                  "/", so the normal form is to provide a path of "/" instead. The scheme and host are case-insensitive and normally provided
    11631181                  in lowercase; all other components are compared in a case-sensitive manner. Characters other than those in the "reserved"
    1164                   set are equivalent to their percent-encoded octets (see <a href="#RFC3986" id="rfc.xref.RFC3986.16"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-2.1">Section 2.1</a>): the normal form is to not encode them.
     1182                  set are equivalent to their percent-encoded octets (see <a href="#RFC3986" id="rfc.xref.RFC3986.16"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-2.1">Section 2.1</a>): the normal form is to not encode them.
    11651183               </p>
    11661184               <p id="rfc.section.2.7.3.p.3">For example, the following three URIs are equivalent:</p>
     
    14551473               <div id="rfc.figure.u.26"></div><pre class="inline"><span id="rfc.iref.g.55"></span>  <a href="#header.transfer-encoding" class="smpl">Transfer-Encoding</a> = 1#<a href="#transfer.codings" class="smpl">transfer-coding</a>
    14561474</pre><p id="rfc.section.3.3.1.p.3">Transfer-Encoding is analogous to the Content-Transfer-Encoding field of MIME, which was designed to enable safe transport
    1457                   of binary data over a 7-bit transport service (<a href="#RFC2045" id="rfc.xref.RFC2045.2"><cite title="Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies">[RFC2045]</cite></a>, <a href="http://tools.ietf.org/html/rfc2045#section-6">Section 6</a>). However, safe transport has a different focus for an 8bit-clean transfer protocol. In HTTP's case, Transfer-Encoding is
     1475                  of binary data over a 7-bit transport service (<a href="#RFC2045" id="rfc.xref.RFC2045.2"><cite title="Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies">[RFC2045]</cite></a>, <a href="https://tools.ietf.org/html/rfc2045#section-6">Section 6</a>). However, safe transport has a different focus for an 8bit-clean transfer protocol. In HTTP's case, Transfer-Encoding is
    14581476                  primarily intended to accurately delimit a dynamically generated payload and to distinguish payload encodings that are only
    14591477                  applied for transport efficiency or security from those that are characteristics of the selected resource.
     
    18391857            <p id="rfc.section.5.1.p.2">HTTP communication is initiated by a user agent for some purpose. The purpose is a combination of request semantics, which
    18401858               are defined in <a href="#Part2" id="rfc.xref.Part2.19"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>, and a target resource upon which to apply those semantics. A URI reference (<a href="#uri" title="Uniform Resource Identifiers">Section&nbsp;2.7</a>) is typically used as an identifier for the "<dfn>target resource</dfn>", which a user agent would resolve to its absolute form in order to obtain the "<dfn>target URI</dfn>". The target URI excludes the reference's fragment component, if any, since fragment identifiers are reserved for client-side
    1841                processing (<a href="#RFC3986" id="rfc.xref.RFC3986.17"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="http://tools.ietf.org/html/rfc3986#section-3.5">Section 3.5</a>).
     1859               processing (<a href="#RFC3986" id="rfc.xref.RFC3986.17"><cite title="Uniform Resource Identifier (URI): Generic Syntax">[RFC3986]</cite></a>, <a href="https://tools.ietf.org/html/rfc3986#section-3.5">Section 3.5</a>).
    18421860            </p>
    18431861         </div>
     
    20262044               <p id="rfc.section.5.7.1.p.1">The "Via" header field indicates the presence of intermediate protocols and recipients between the user agent and the server
    20272045                  (on requests) or between the origin server and the client (on responses), similar to the "Received" header field in email
    2028                   (<a href="http://tools.ietf.org/html/rfc5322#section-3.6.7">Section 3.6.7</a> of <a href="#RFC5322" id="rfc.xref.RFC5322.3"><cite title="Internet Message Format">[RFC5322]</cite></a>). Via can be used for tracking message forwards, avoiding request loops, and identifying the protocol capabilities of senders
     2046                  (<a href="https://tools.ietf.org/html/rfc5322#section-3.6.7">Section 3.6.7</a> of <a href="#RFC5322" id="rfc.xref.RFC5322.3"><cite title="Internet Message Format">[RFC5322]</cite></a>). Via can be used for tracking message forwards, avoiding request loops, and identifying the protocol capabilities of senders
    20292047                  along the request/response chain.
    20302048               </p>
     
    21862204               on a persistent connection would be misinterpreted as the next request. Likewise, a client <em class="bcp14">MUST</em> read the entire response message body if it intends to reuse the same connection for a subsequent request.
    21872205            </p>
    2188             <p id="rfc.section.6.3.p.6">A proxy server <em class="bcp14">MUST NOT</em> maintain a persistent connection with an HTTP/1.0 client (see <a href="http://tools.ietf.org/html/rfc2068#section-19.7.1">Section 19.7.1</a> of <a href="#RFC2068" id="rfc.xref.RFC2068.3"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a> for information and discussion of the problems with the Keep-Alive header field implemented by many HTTP/1.0 clients).
     2206            <p id="rfc.section.6.3.p.6">A proxy server <em class="bcp14">MUST NOT</em> maintain a persistent connection with an HTTP/1.0 client (see <a href="https://tools.ietf.org/html/rfc2068#section-19.7.1">Section 19.7.1</a> of <a href="#RFC2068" id="rfc.xref.RFC2068.3"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a> for information and discussion of the problems with the Keep-Alive header field implemented by many HTTP/1.0 clients).
    21892207            </p>
    21902208            <p id="rfc.section.6.3.p.7">Clients and servers <em class="bcp14">SHOULD NOT</em> assume that a persistent connection is maintained for HTTP versions less than 1.1 unless it is explicitly signaled. See <a href="#compatibility.with.http.1.0.persistent.connections" title="Keep-Alive Connections">Appendix&nbsp;A.1.2</a> for more information on backward compatibility with HTTP/1.0 clients.
     
    26652683               <p id="rfc.section.8.4.1.p.2">Names of transfer codings <em class="bcp14">MUST NOT</em> overlap with names of content codings (<a href="p2-semantics.html#content.codings" title="Content Codings">Section 3.1.2.1</a> of <a href="#Part2" id="rfc.xref.Part2.30"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>) unless the encoding transformation is identical, as is the case for the compression codings defined in <a href="#compression.codings" title="Compression Codings">Section&nbsp;4.2</a>.
    26662684               </p>
    2667                <p id="rfc.section.8.4.1.p.3">Values to be added to this name space require IETF Review (see <a href="http://tools.ietf.org/html/rfc5226#section-4.1">Section 4.1</a> of <a href="#RFC5226" id="rfc.xref.RFC5226.1"><cite title="Guidelines for Writing an IANA Considerations Section in RFCs">[RFC5226]</cite></a>), and <em class="bcp14">MUST</em> conform to the purpose of transfer coding defined in this specification.
     2685               <p id="rfc.section.8.4.1.p.3">Values to be added to this name space require IETF Review (see <a href="https://tools.ietf.org/html/rfc5226#section-4.1">Section 4.1</a> of <a href="#RFC5226" id="rfc.xref.RFC5226.1"><cite title="Guidelines for Writing an IANA Considerations Section in RFCs">[RFC5226]</cite></a>), and <em class="bcp14">MUST</em> conform to the purpose of transfer coding defined in this specification.
    26682686               </p>
    26692687               <p id="rfc.section.8.4.1.p.4">Use of program names for the identification of encoding formats is not desirable and is discouraged for future encodings.</p>
     
    27342752                  the connection will be processed after it has been upgraded.
    27352753               </p>
    2736                <p id="rfc.section.8.5.1.p.2">Registrations happen on a "First Come First Served" basis (see <a href="http://tools.ietf.org/html/rfc5226#section-4.1">Section 4.1</a> of <a href="#RFC5226" id="rfc.xref.RFC5226.2"><cite title="Guidelines for Writing an IANA Considerations Section in RFCs">[RFC5226]</cite></a>) and are subject to the following rules:
     2754               <p id="rfc.section.8.5.1.p.2">Registrations happen on a "First Come First Served" basis (see <a href="https://tools.ietf.org/html/rfc5226#section-4.1">Section 4.1</a> of <a href="#RFC5226" id="rfc.xref.RFC5226.2"><cite title="Guidelines for Writing an IANA Considerations Section in RFCs">[RFC5226]</cite></a>) and are subject to the following rules:
    27372755               </p>
    27382756               <ol>
     
    27522770                  </li>
    27532771               </ol>
    2754                <p id="rfc.section.8.5.1.p.3">This registration procedure for HTTP Upgrade Tokens replaces that previously defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.2">Section 7.2</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.2"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>.
     2772               <p id="rfc.section.8.5.1.p.3">This registration procedure for HTTP Upgrade Tokens replaces that previously defined in <a href="https://tools.ietf.org/html/rfc2817#section-7.2">Section 7.2</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.2"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>.
    27552773               </p>
    27562774            </div>
     
    29042922            Yu.
    29052923         </p>
    2906          <p id="rfc.section.10.p.4">See <a href="http://tools.ietf.org/html/rfc2616#section-16">Section 16</a> of <a href="#RFC2616" id="rfc.xref.RFC2616.4"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2616]</cite></a> for additional acknowledgements from prior revisions.
     2924         <p id="rfc.section.10.p.4">See <a href="https://tools.ietf.org/html/rfc2616#section-16">Section 16</a> of <a href="#RFC2616" id="rfc.xref.RFC2616.4"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2616]</cite></a> for additional acknowledgements from prior revisions.
    29072925         </p>
    29082926      </div>
     
    29142932         <tr>
    29152933            <td class="reference"><b id="Part2">[Part2]</b></td>
    2916             <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., 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-p2-semantics-24">Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p2-semantics-24 (work in progress), September&nbsp;2013.
     2934            <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., Ed.</a> and <a href="mailto:julian.reschke@greenbytes.de" title="greenbytes GmbH">J. Reschke, Ed.</a>, “<a href="https://tools.ietf.org/html/draft-ietf-httpbis-p2-semantics-24">Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p2-semantics-24 (work in progress), September&nbsp;2013.
    29172935            </td>
    29182936         </tr>
    29192937         <tr>
    29202938            <td class="reference"><b id="Part4">[Part4]</b></td>
    2921             <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., 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-24">Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p4-conditional-24 (work in progress), September&nbsp;2013.
     2939            <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., Ed.</a> and <a href="mailto:julian.reschke@greenbytes.de" title="greenbytes GmbH">J. Reschke, Ed.</a>, “<a href="https://tools.ietf.org/html/draft-ietf-httpbis-p4-conditional-24">Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p4-conditional-24 (work in progress), September&nbsp;2013.
    29222940            </td>
    29232941         </tr>
    29242942         <tr>
    29252943            <td class="reference"><b id="Part5">[Part5]</b></td>
    2926             <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., Ed.</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-24">Hypertext Transfer Protocol (HTTP/1.1): Range Requests</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p5-range-24 (work in progress), September&nbsp;2013.
     2944            <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., Ed.</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="https://tools.ietf.org/html/draft-ietf-httpbis-p5-range-24">Hypertext Transfer Protocol (HTTP/1.1): Range Requests</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p5-range-24 (work in progress), September&nbsp;2013.
    29272945            </td>
    29282946         </tr>
    29292947         <tr>
    29302948            <td class="reference"><b id="Part6">[Part6]</b></td>
    2931             <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., Ed.</a>, <a href="mailto:mnot@mnot.net" title="Akamai">Nottingham, M., 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-24">Hypertext Transfer Protocol (HTTP/1.1): Caching</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p6-cache-24 (work in progress), September&nbsp;2013.
     2949            <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., Ed.</a>, <a href="mailto:mnot@mnot.net" title="Akamai">Nottingham, M., Ed.</a>, and <a href="mailto:julian.reschke@greenbytes.de" title="greenbytes GmbH">J. Reschke, Ed.</a>, “<a href="https://tools.ietf.org/html/draft-ietf-httpbis-p6-cache-24">Hypertext Transfer Protocol (HTTP/1.1): Caching</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p6-cache-24 (work in progress), September&nbsp;2013.
    29322950            </td>
    29332951         </tr>
    29342952         <tr>
    29352953            <td class="reference"><b id="Part7">[Part7]</b></td>
    2936             <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., 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-24">Hypertext Transfer Protocol (HTTP/1.1): Authentication</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p7-auth-24 (work in progress), September&nbsp;2013.
     2954            <td class="top"><a href="mailto:fielding@gbiv.com" title="Adobe Systems Incorporated">Fielding, R., Ed.</a> and <a href="mailto:julian.reschke@greenbytes.de" title="greenbytes GmbH">J. Reschke, Ed.</a>, “<a href="https://tools.ietf.org/html/draft-ietf-httpbis-p7-auth-24">Hypertext Transfer Protocol (HTTP/1.1): Authentication</a>”, Internet-Draft&nbsp;draft-ietf-httpbis-p7-auth-24 (work in progress), September&nbsp;2013.
    29372955            </td>
    29382956         </tr>
    29392957         <tr>
    29402958            <td class="reference"><b id="RFC0793">[RFC0793]</b></td>
    2941             <td class="top">Postel, J., “<a href="http://tools.ietf.org/html/rfc793">Transmission Control Protocol</a>”, STD&nbsp;7, RFC&nbsp;793, September&nbsp;1981.
     2959            <td class="top">Postel, J., “<a href="https://tools.ietf.org/html/rfc793">Transmission Control Protocol</a>”, STD&nbsp;7, RFC&nbsp;793, September&nbsp;1981.
    29422960            </td>
    29432961         </tr>
    29442962         <tr>
    29452963            <td class="reference"><b id="RFC1950">[RFC1950]</b></td>
    2946             <td class="top"><a href="mailto:ghost@aladdin.com" title="Aladdin Enterprises">Deutsch, L.</a> and J-L. Gailly, “<a href="http://tools.ietf.org/html/rfc1950">ZLIB Compressed Data Format Specification version 3.3</a>”, RFC&nbsp;1950, May&nbsp;1996.
     2964            <td class="top"><a href="mailto:ghost@aladdin.com" title="Aladdin Enterprises">Deutsch, L.</a> and J-L. Gailly, “<a href="https://tools.ietf.org/html/rfc1950">ZLIB Compressed Data Format Specification version 3.3</a>”, RFC&nbsp;1950, May&nbsp;1996.
    29472965            </td>
    29482966         </tr>
    29492967         <tr>
    29502968            <td class="reference"><b id="RFC1951">[RFC1951]</b></td>
    2951             <td class="top"><a href="mailto:ghost@aladdin.com" title="Aladdin Enterprises">Deutsch, P.</a>, “<a href="http://tools.ietf.org/html/rfc1951">DEFLATE Compressed Data Format Specification version 1.3</a>”, RFC&nbsp;1951, May&nbsp;1996.
     2969            <td class="top"><a href="mailto:ghost@aladdin.com" title="Aladdin Enterprises">Deutsch, P.</a>, “<a href="https://tools.ietf.org/html/rfc1951">DEFLATE Compressed Data Format Specification version 1.3</a>”, RFC&nbsp;1951, May&nbsp;1996.
    29522970            </td>
    29532971         </tr>
    29542972         <tr>
    29552973            <td class="reference"><b id="RFC1952">[RFC1952]</b></td>
    2956             <td class="top"><a href="mailto:ghost@aladdin.com" title="Aladdin Enterprises">Deutsch, P.</a>, <a href="mailto:gzip@prep.ai.mit.edu">Gailly, J-L.</a>, <a href="mailto:madler@alumni.caltech.edu">Adler, M.</a>, <a href="mailto:ghost@aladdin.com">Deutsch, L.</a>, and <a href="mailto:randeg@alumni.rpi.edu">G. Randers-Pehrson</a>, “<a href="http://tools.ietf.org/html/rfc1952">GZIP file format specification version 4.3</a>”, RFC&nbsp;1952, May&nbsp;1996.
     2974            <td class="top"><a href="mailto:ghost@aladdin.com" title="Aladdin Enterprises">Deutsch, P.</a>, <a href="mailto:gzip@prep.ai.mit.edu">Gailly, J-L.</a>, <a href="mailto:madler@alumni.caltech.edu">Adler, M.</a>, <a href="mailto:ghost@aladdin.com">Deutsch, L.</a>, and <a href="mailto:randeg@alumni.rpi.edu">G. Randers-Pehrson</a>, “<a href="https://tools.ietf.org/html/rfc1952">GZIP file format specification version 4.3</a>”, RFC&nbsp;1952, May&nbsp;1996.
    29572975            </td>
    29582976         </tr>
    29592977         <tr>
    29602978            <td class="reference"><b id="RFC2119">[RFC2119]</b></td>
    2961             <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.
     2979            <td class="top"><a href="mailto:sob@harvard.edu" title="Harvard University">Bradner, S.</a>, “<a href="https://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.
    29622980            </td>
    29632981         </tr>
    29642982         <tr>
    29652983            <td class="reference"><b id="RFC3986">[RFC3986]</b></td>
    2966             <td class="top"><a href="mailto:timbl@w3.org" title="World Wide Web Consortium">Berners-Lee, T.</a>, <a href="mailto:fielding@gbiv.com" title="Day Software">Fielding, R.</a>, and <a href="mailto:LMM@acm.org" title="Adobe Systems Incorporated">L. Masinter</a>, “<a href="http://tools.ietf.org/html/rfc3986">Uniform Resource Identifier (URI): Generic Syntax</a>”, STD&nbsp;66, RFC&nbsp;3986, January&nbsp;2005.
     2984            <td class="top"><a href="mailto:timbl@w3.org" title="World Wide Web Consortium">Berners-Lee, T.</a>, <a href="mailto:fielding@gbiv.com" title="Day Software">Fielding, R.</a>, and <a href="mailto:LMM@acm.org" title="Adobe Systems Incorporated">L. Masinter</a>, “<a href="https://tools.ietf.org/html/rfc3986">Uniform Resource Identifier (URI): Generic Syntax</a>”, STD&nbsp;66, RFC&nbsp;3986, January&nbsp;2005.
    29672985            </td>
    29682986         </tr>
    29692987         <tr>
    29702988            <td class="reference"><b id="RFC5234">[RFC5234]</b></td>
    2971             <td class="top"><a href="mailto:dcrocker@bbiw.net" title="Brandenburg InternetWorking">Crocker, D., Ed.</a> and <a href="mailto:paul.overell@thus.net" title="THUS plc.">P. Overell</a>, “<a href="http://tools.ietf.org/html/rfc5234">Augmented BNF for Syntax Specifications: ABNF</a>”, STD&nbsp;68, RFC&nbsp;5234, January&nbsp;2008.
     2989            <td class="top"><a href="mailto:dcrocker@bbiw.net" title="Brandenburg InternetWorking">Crocker, D., Ed.</a> and <a href="mailto:paul.overell@thus.net" title="THUS plc.">P. Overell</a>, “<a href="https://tools.ietf.org/html/rfc5234">Augmented BNF for Syntax Specifications: ABNF</a>”, STD&nbsp;68, RFC&nbsp;5234, January&nbsp;2008.
    29722990            </td>
    29732991         </tr>
     
    29863004         <tr>
    29873005            <td class="reference"><b id="BCP115">[BCP115]</b></td>
    2988             <td class="top"><a href="mailto:tony+urireg@maillennium.att.com" title="AT&amp;T Laboratories">Hansen, T.</a>, <a href="mailto:hardie@qualcomm.com" title="Qualcomm, Inc.">Hardie, T.</a>, and <a href="mailto:LMM@acm.org" title="Adobe Systems">L. Masinter</a>, “<a href="http://tools.ietf.org/html/rfc4395">Guidelines and Registration Procedures for New URI Schemes</a>”, BCP&nbsp;115, RFC&nbsp;4395, February&nbsp;2006.
     3006            <td class="top"><a href="mailto:tony+urireg@maillennium.att.com" title="AT&amp;T Laboratories">Hansen, T.</a>, <a href="mailto:hardie@qualcomm.com" title="Qualcomm, Inc.">Hardie, T.</a>, and <a href="mailto:LMM@acm.org" title="Adobe Systems">L. Masinter</a>, “<a href="https://tools.ietf.org/html/rfc4395">Guidelines and Registration Procedures for New URI Schemes</a>”, BCP&nbsp;115, RFC&nbsp;4395, February&nbsp;2006.
    29893007            </td>
    29903008         </tr>
    29913009         <tr>
    29923010            <td class="reference"><b id="BCP13">[BCP13]</b></td>
    2993             <td class="top"><a href="mailto:ned+ietf@mrochek.com" title="Oracle">Freed, N.</a>, <a href="mailto:john+ietf@jck.com">Klensin, J.</a>, and <a href="mailto:tony+mtsuffix@maillennium.att.com" title="AT&amp;T Laboratories">T. Hansen</a>, “<a href="http://tools.ietf.org/html/rfc6838">Media Type Specifications and Registration Procedures</a>”, BCP&nbsp;13, RFC&nbsp;6838, January&nbsp;2013.
     3011            <td class="top"><a href="mailto:ned+ietf@mrochek.com" title="Oracle">Freed, N.</a>, <a href="mailto:john+ietf@jck.com">Klensin, J.</a>, and <a href="mailto:tony+mtsuffix@maillennium.att.com" title="AT&amp;T Laboratories">T. Hansen</a>, “<a href="https://tools.ietf.org/html/rfc6838">Media Type Specifications and Registration Procedures</a>”, BCP&nbsp;13, RFC&nbsp;6838, January&nbsp;2013.
    29943012            </td>
    29953013         </tr>
    29963014         <tr>
    29973015            <td class="reference"><b id="BCP90">[BCP90]</b></td>
    2998             <td class="top"><a href="mailto:GK-IETF@ninebynine.org" title="Nine by Nine">Klyne, G.</a>, <a href="mailto:mnot@pobox.com" title="BEA Systems">Nottingham, M.</a>, and <a href="mailto:JeffMogul@acm.org" title="HP Labs">J. Mogul</a>, “<a href="http://tools.ietf.org/html/rfc3864">Registration Procedures for Message Header Fields</a>”, BCP&nbsp;90, RFC&nbsp;3864, September&nbsp;2004.
     3016            <td class="top"><a href="mailto:GK-IETF@ninebynine.org" title="Nine by Nine">Klyne, G.</a>, <a href="mailto:mnot@pobox.com" title="BEA Systems">Nottingham, M.</a>, and <a href="mailto:JeffMogul@acm.org" title="HP Labs">J. Mogul</a>, “<a href="https://tools.ietf.org/html/rfc3864">Registration Procedures for Message Header Fields</a>”, BCP&nbsp;90, RFC&nbsp;3864, September&nbsp;2004.
    29993017            </td>
    30003018         </tr>
     
    30103028         <tr>
    30113029            <td class="reference"><b id="RFC1919">[RFC1919]</b></td>
    3012             <td class="top"><a href="mailto:mchatel@pax.eunet.ch">Chatel, M.</a>, “<a href="http://tools.ietf.org/html/rfc1919">Classical versus Transparent IP Proxies</a>”, RFC&nbsp;1919, March&nbsp;1996.
     3030            <td class="top"><a href="mailto:mchatel@pax.eunet.ch">Chatel, M.</a>, “<a href="https://tools.ietf.org/html/rfc1919">Classical versus Transparent IP Proxies</a>”, RFC&nbsp;1919, March&nbsp;1996.
    30133031            </td>
    30143032         </tr>
    30153033         <tr>
    30163034            <td class="reference"><b id="RFC1945">[RFC1945]</b></td>
    3017             <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.
     3035            <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="https://tools.ietf.org/html/rfc1945">Hypertext Transfer Protocol -- HTTP/1.0</a>”, RFC&nbsp;1945, May&nbsp;1996.
    30183036            </td>
    30193037         </tr>
    30203038         <tr>
    30213039            <td class="reference"><b id="RFC2045">[RFC2045]</b></td>
    3022             <td class="top"><a href="mailto:ned@innosoft.com" title="Innosoft International, Inc.">Freed, N.</a> and <a href="mailto:nsb@nsb.fv.com" title="First Virtual Holdings">N. Borenstein</a>, “<a href="http://tools.ietf.org/html/rfc2045">Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies</a>”, RFC&nbsp;2045, November&nbsp;1996.
     3040            <td class="top"><a href="mailto:ned@innosoft.com" title="Innosoft International, Inc.">Freed, N.</a> and <a href="mailto:nsb@nsb.fv.com" title="First Virtual Holdings">N. Borenstein</a>, “<a href="https://tools.ietf.org/html/rfc2045">Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies</a>”, RFC&nbsp;2045, November&nbsp;1996.
    30233041            </td>
    30243042         </tr>
    30253043         <tr>
    30263044            <td class="reference"><b id="RFC2047">[RFC2047]</b></td>
    3027             <td class="top"><a href="mailto:moore@cs.utk.edu" title="University of Tennessee">Moore, K.</a>, “<a href="http://tools.ietf.org/html/rfc2047">MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text</a>”, RFC&nbsp;2047, November&nbsp;1996.
     3045            <td class="top"><a href="mailto:moore@cs.utk.edu" title="University of Tennessee">Moore, K.</a>, “<a href="https://tools.ietf.org/html/rfc2047">MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text</a>”, RFC&nbsp;2047, November&nbsp;1996.
    30283046            </td>
    30293047         </tr>
    30303048         <tr>
    30313049            <td class="reference"><b id="RFC2068">[RFC2068]</b></td>
    3032             <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.
     3050            <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="https://tools.ietf.org/html/rfc2068">Hypertext Transfer Protocol -- HTTP/1.1</a>”, RFC&nbsp;2068, January&nbsp;1997.
    30333051            </td>
    30343052         </tr>
    30353053         <tr>
    30363054            <td class="reference"><b id="RFC2145">[RFC2145]</b></td>
    3037             <td class="top"><a href="mailto:mogul@wrl.dec.com" title="Western Research Laboratory">Mogul, J.</a>, <a href="mailto:fielding@ics.uci.edu" title="Department of Information and Computer Science">Fielding, R.</a>, <a href="mailto:jg@w3.org" title="MIT Laboratory for Computer Science">Gettys, J.</a>, and <a href="mailto:frystyk@w3.org" title="W3 Consortium">H. Nielsen</a>, “<a href="http://tools.ietf.org/html/rfc2145">Use and Interpretation of HTTP Version Numbers</a>”, RFC&nbsp;2145, May&nbsp;1997.
     3055            <td class="top"><a href="mailto:mogul@wrl.dec.com" title="Western Research Laboratory">Mogul, J.</a>, <a href="mailto:fielding@ics.uci.edu" title="Department of Information and Computer Science">Fielding, R.</a>, <a href="mailto:jg@w3.org" title="MIT Laboratory for Computer Science">Gettys, J.</a>, and <a href="mailto:frystyk@w3.org" title="W3 Consortium">H. Nielsen</a>, “<a href="https://tools.ietf.org/html/rfc2145">Use and Interpretation of HTTP Version Numbers</a>”, RFC&nbsp;2145, May&nbsp;1997.
    30383056            </td>
    30393057         </tr>
    30403058         <tr>
    30413059            <td class="reference"><b id="RFC2616">[RFC2616]</b></td>
    3042             <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.
     3060            <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="https://tools.ietf.org/html/rfc2616">Hypertext Transfer Protocol -- HTTP/1.1</a>”, RFC&nbsp;2616, June&nbsp;1999.
    30433061            </td>
    30443062         </tr>
    30453063         <tr>
    30463064            <td class="reference"><b id="RFC2817">[RFC2817]</b></td>
    3047             <td class="top"><a href="mailto:rohit@4K-associates.com" title="4K Associates / UC Irvine">Khare, R.</a> and <a href="mailto:lawrence@agranat.com" title="Agranat Systems, Inc.">S. Lawrence</a>, “<a href="http://tools.ietf.org/html/rfc2817">Upgrading to TLS Within HTTP/1.1</a>”, RFC&nbsp;2817, May&nbsp;2000.
     3065            <td class="top"><a href="mailto:rohit@4K-associates.com" title="4K Associates / UC Irvine">Khare, R.</a> and <a href="mailto:lawrence@agranat.com" title="Agranat Systems, Inc.">S. Lawrence</a>, “<a href="https://tools.ietf.org/html/rfc2817">Upgrading to TLS Within HTTP/1.1</a>”, RFC&nbsp;2817, May&nbsp;2000.
    30483066            </td>
    30493067         </tr>
    30503068         <tr>
    30513069            <td class="reference"><b id="RFC2818">[RFC2818]</b></td>
    3052             <td class="top"><a href="mailto:ekr@rtfm.com" title="RTFM, Inc.">Rescorla, E.</a>, “<a href="http://tools.ietf.org/html/rfc2818">HTTP Over TLS</a>”, RFC&nbsp;2818, May&nbsp;2000.
     3070            <td class="top"><a href="mailto:ekr@rtfm.com" title="RTFM, Inc.">Rescorla, E.</a>, “<a href="https://tools.ietf.org/html/rfc2818">HTTP Over TLS</a>”, RFC&nbsp;2818, May&nbsp;2000.
    30533071            </td>
    30543072         </tr>
    30553073         <tr>
    30563074            <td class="reference"><b id="RFC3040">[RFC3040]</b></td>
    3057             <td class="top">Cooper, I., Melve, I., and G. Tomlinson, “<a href="http://tools.ietf.org/html/rfc3040">Internet Web Replication and Caching Taxonomy</a>”, RFC&nbsp;3040, January&nbsp;2001.
     3075            <td class="top">Cooper, I., Melve, I., and G. Tomlinson, “<a href="https://tools.ietf.org/html/rfc3040">Internet Web Replication and Caching Taxonomy</a>”, RFC&nbsp;3040, January&nbsp;2001.
    30583076            </td>
    30593077         </tr>
    30603078         <tr>
    30613079            <td class="reference"><b id="RFC4033">[RFC4033]</b></td>
    3062             <td class="top">Arends, R., Austein, R., Larson, M., Massey, D., and S. Rose, “<a href="http://tools.ietf.org/html/rfc4033">DNS Security Introduction and Requirements</a>”, RFC&nbsp;4033, March&nbsp;2005.
     3080            <td class="top">Arends, R., Austein, R., Larson, M., Massey, D., and S. Rose, “<a href="https://tools.ietf.org/html/rfc4033">DNS Security Introduction and Requirements</a>”, RFC&nbsp;4033, March&nbsp;2005.
    30633081            </td>
    30643082         </tr>
    30653083         <tr>
    30663084            <td class="reference"><b id="RFC4559">[RFC4559]</b></td>
    3067             <td class="top">Jaganathan, K., Zhu, L., and J. Brezak, “<a href="http://tools.ietf.org/html/rfc4559">SPNEGO-based Kerberos and NTLM HTTP Authentication in Microsoft Windows</a>”, RFC&nbsp;4559, June&nbsp;2006.
     3085            <td class="top">Jaganathan, K., Zhu, L., and J. Brezak, “<a href="https://tools.ietf.org/html/rfc4559">SPNEGO-based Kerberos and NTLM HTTP Authentication in Microsoft Windows</a>”, RFC&nbsp;4559, June&nbsp;2006.
    30683086            </td>
    30693087         </tr>
    30703088         <tr>
    30713089            <td class="reference"><b id="RFC5226">[RFC5226]</b></td>
    3072             <td class="top"><a href="mailto:narten@us.ibm.com" title="IBM">Narten, T.</a> and <a href="mailto:Harald@Alvestrand.no" title="Google">H. Alvestrand</a>, “<a href="http://tools.ietf.org/html/rfc5226">Guidelines for Writing an IANA Considerations Section in RFCs</a>”, BCP&nbsp;26, RFC&nbsp;5226, May&nbsp;2008.
     3090            <td class="top"><a href="mailto:narten@us.ibm.com" title="IBM">Narten, T.</a> and <a href="mailto:Harald@Alvestrand.no" title="Google">H. Alvestrand</a>, “<a href="https://tools.ietf.org/html/rfc5226">Guidelines for Writing an IANA Considerations Section in RFCs</a>”, BCP&nbsp;26, RFC&nbsp;5226, May&nbsp;2008.
    30733091            </td>
    30743092         </tr>
    30753093         <tr>
    30763094            <td class="reference"><b id="RFC5246">[RFC5246]</b></td>
    3077             <td class="top">Dierks, T. and E. Rescorla, “<a href="http://tools.ietf.org/html/rfc5246">The Transport Layer Security (TLS) Protocol Version 1.2</a>”, RFC&nbsp;5246, August&nbsp;2008.
     3095            <td class="top">Dierks, T. and E. Rescorla, “<a href="https://tools.ietf.org/html/rfc5246">The Transport Layer Security (TLS) Protocol Version 1.2</a>”, RFC&nbsp;5246, August&nbsp;2008.
    30783096            </td>
    30793097         </tr>
    30803098         <tr>
    30813099            <td class="reference"><b id="RFC5322">[RFC5322]</b></td>
    3082             <td class="top">Resnick, P., “<a href="http://tools.ietf.org/html/rfc5322">Internet Message Format</a>”, RFC&nbsp;5322, October&nbsp;2008.
     3100            <td class="top">Resnick, P., “<a href="https://tools.ietf.org/html/rfc5322">Internet Message Format</a>”, RFC&nbsp;5322, October&nbsp;2008.
    30833101            </td>
    30843102         </tr>
    30853103         <tr>
    30863104            <td class="reference"><b id="RFC6265">[RFC6265]</b></td>
    3087             <td class="top"><a href="mailto:abarth@eecs.berkeley.edu" title="&#xA;        University of California, Berkeley&#xA;      ">Barth, A.</a>, “<a href="http://tools.ietf.org/html/rfc6265">HTTP State Management Mechanism</a>”, RFC&nbsp;6265, April&nbsp;2011.
     3105            <td class="top"><a href="mailto:abarth@eecs.berkeley.edu" title="&#xA;        University of California, Berkeley&#xA;      ">Barth, A.</a>, “<a href="https://tools.ietf.org/html/rfc6265">HTTP State Management Mechanism</a>”, RFC&nbsp;6265, April&nbsp;2011.
    30883106            </td>
    30893107         </tr>
    30903108         <tr>
    30913109            <td class="reference"><b id="RFC6585">[RFC6585]</b></td>
    3092             <td class="top">Nottingham, M. and R. Fielding, “<a href="http://tools.ietf.org/html/rfc6585">Additional HTTP Status Codes</a>”, RFC&nbsp;6585, April&nbsp;2012.
     3110            <td class="top">Nottingham, M. and R. Fielding, “<a href="https://tools.ietf.org/html/rfc6585">Additional HTTP Status Codes</a>”, RFC&nbsp;6585, April&nbsp;2012.
    30933111            </td>
    30943112         </tr>
    30953113      </table>
    3096       <div class="avoidbreak">
    3097          <h1 id="rfc.authors"><a href="#rfc.authors">Authors' Addresses</a></h1>
    3098          <p><b>Roy T. Fielding</b>
    3099             (editor)
    3100             <br>Adobe Systems Incorporated<br>345 Park Ave<br>San Jose, CA&nbsp;95110<br>USA<br>Email: <a href="mailto:fielding@gbiv.com">fielding@gbiv.com</a><br>URI: <a href="http://roy.gbiv.com/">http://roy.gbiv.com/</a></p>
    3101          <p><b>Julian F. Reschke</b>
    3102             (editor)
    3103             <br>greenbytes GmbH<br>Hafenweg 16<br>Muenster, NW&nbsp;48155<br>Germany<br>Email: <a href="mailto:julian.reschke@greenbytes.de">julian.reschke@greenbytes.de</a><br>URI: <a href="http://greenbytes.de/tech/webdav/">http://greenbytes.de/tech/webdav/</a></p>
    3104       </div>
    31053114      <div id="compatibility">
    31063115         <h1 id="rfc.section.A" class="np"><a href="#rfc.section.A">A.</a>&nbsp;<a href="#compatibility">HTTP Version History</a></h1>
     
    31443153               <p id="rfc.section.A.1.2.p.1">In HTTP/1.0, each connection is established by the client prior to the request and closed by the server after sending the
    31453154                  response. However, some implementations implement the explicitly negotiated ("Keep-Alive") version of persistent connections
    3146                   described in <a href="http://tools.ietf.org/html/rfc2068#section-19.7.1">Section 19.7.1</a> of <a href="#RFC2068" id="rfc.xref.RFC2068.5"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a>.
     3155                  described in <a href="https://tools.ietf.org/html/rfc2068#section-19.7.1">Section 19.7.1</a> of <a href="#RFC2068" id="rfc.xref.RFC2068.5"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a>.
    31473156               </p>
    31483157               <p id="rfc.section.A.1.2.p.2">Some clients and servers might wish to be compatible with these previous approaches to persistent connections, by explicitly
     
    31773186               transmission on the wire. (<a href="#http.uri" title="http URI scheme">Section&nbsp;2.7.1</a>)
    31783187            </p>
    3179             <p id="rfc.section.A.2.p.4">The HTTPS URI scheme is now defined by this specification; previously, it was done in <a href="http://tools.ietf.org/html/rfc2818#section-2.4">Section 2.4</a> of <a href="#RFC2818" id="rfc.xref.RFC2818.3"><cite title="HTTP Over TLS">[RFC2818]</cite></a>. Furthermore, it implies end-to-end security. (<a href="#https.uri" title="https URI scheme">Section&nbsp;2.7.2</a>)
     3188            <p id="rfc.section.A.2.p.4">The HTTPS URI scheme is now defined by this specification; previously, it was done in <a href="https://tools.ietf.org/html/rfc2818#section-2.4">Section 2.4</a> of <a href="#RFC2818" id="rfc.xref.RFC2818.3"><cite title="HTTP Over TLS">[RFC2818]</cite></a>. Furthermore, it implies end-to-end security. (<a href="#https.uri" title="https URI scheme">Section&nbsp;2.7.2</a>)
    31803189            </p>
    31813190            <p id="rfc.section.A.2.p.5">HTTP messages can be (and often are) buffered by implementations; despite it sometimes being available as a stream, HTTP is
     
    32303239            <p id="rfc.section.A.2.p.22">Registration of Transfer Codings now requires IETF Review (<a href="#transfer.coding.registry" title="Transfer Coding Registry">Section&nbsp;8.4</a>)
    32313240            </p>
    3232             <p id="rfc.section.A.2.p.23">This specification now defines the Upgrade Token Registry, previously defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.2">Section 7.2</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.4"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#upgrade.token.registry" title="Upgrade Token Registry">Section&nbsp;8.5</a>)
     3241            <p id="rfc.section.A.2.p.23">This specification now defines the Upgrade Token Registry, previously defined in <a href="https://tools.ietf.org/html/rfc2817#section-7.2">Section 7.2</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.4"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#upgrade.token.registry" title="Upgrade Token Registry">Section&nbsp;8.5</a>)
    32333242            </p>
    32343243            <p id="rfc.section.A.2.p.24">The expectation to support HTTP/0.9 requests has been removed. (<a href="#compatibility" title="HTTP Version History">Appendix&nbsp;A</a>)
     
    38093818         </ul>
    38103819      </div>
     3820      <div class="avoidbreak">
     3821         <h1 id="rfc.authors"><a href="#rfc.authors">Authors' Addresses</a></h1>
     3822         <p><b>Roy T. Fielding</b>
     3823            (editor)
     3824            <br>Adobe Systems Incorporated<br>345 Park Ave<br>San Jose, CA&nbsp;95110<br>USA<br>Email: <a href="mailto:fielding@gbiv.com">fielding@gbiv.com</a><br>URI: <a href="http://roy.gbiv.com/">http://roy.gbiv.com/</a></p>
     3825         <p><b>Julian F. Reschke</b>
     3826            (editor)
     3827            <br>greenbytes GmbH<br>Hafenweg 16<br>Muenster, NW&nbsp;48155<br>Germany<br>Email: <a href="mailto:julian.reschke@greenbytes.de">julian.reschke@greenbytes.de</a><br>URI: <a href="http://greenbytes.de/tech/webdav/">http://greenbytes.de/tech/webdav/</a></p>
     3828      </div>
    38113829   </body>
    38123830</html>
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