Ignore:
Timestamp:
Oct 26, 2010, 5:05:32 AM (9 years ago)
Author:
julian.reschke@…
Message:

Clarify 205's constraints for the message body (see #88)

File:
1 edited

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

    r1057 r1058  
    403403      <meta name="dct.creator" content="Reschke, J. F.">
    404404      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p2-semantics-latest">
    405       <meta name="dct.issued" scheme="ISO8601" content="2010-10-25">
     405      <meta name="dct.issued" scheme="ISO8601" content="2010-10-26">
    406406      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    407407      <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.">
     
    434434            </tr>
    435435            <tr>
    436                <td class="left">Expires: April 28, 2011</td>
     436               <td class="left">Expires: April 29, 2011</td>
    437437               <td class="right">HP</td>
    438438            </tr>
     
    487487            <tr>
    488488               <td class="left"></td>
    489                <td class="right">October 25, 2010</td>
     489               <td class="right">October 26, 2010</td>
    490490            </tr>
    491491         </tbody>
     
    514514         in progress”.
    515515      </p>
    516       <p>This Internet-Draft will expire on April 28, 2011.</p>
     516      <p>This Internet-Draft will expire on April 29, 2011.</p>
    517517      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    518518      <p>Copyright © 2010 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
     
    12451245      <p id="rfc.section.8.2.6.p.1">The server has fulfilled the request and the user agent <em class="bcp14">SHOULD</em> reset the document view which caused the request to be sent. This response is primarily intended to allow input for actions
    12461246         to take place via user input, followed by a clearing of the form in which the input is given so that the user can easily initiate
    1247          another input action. The response <em class="bcp14">MUST NOT</em> include a message-body.
     1247         another input action.
     1248      </p>
     1249      <p id="rfc.section.8.2.6.p.2">The message-body included with the response <em class="bcp14">MUST</em> be empty. Note that receivers still need to parse the response according to the algorithm defined in <a href="p1-messaging.html#message.body" title="Message Body">Section 3.3</a> of <a href="#Part1" id="rfc.xref.Part1.28"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>.
    12481250      </p>
    12491251      <div id="rfc.iref.33"></div>
     
    15521554      <p id="rfc.section.8.5.6.p.1">The server does not support, or refuses to support, the protocol version that was used in the request message. The server
    15531555         is indicating that it is unable or unwilling to complete the request using the same major version as the client, as described
    1554          in <a href="p1-messaging.html#http.version" title="HTTP Version">Section 2.5</a> of <a href="#Part1" id="rfc.xref.Part1.28"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, other than with this error message. The response <em class="bcp14">SHOULD</em> contain a representation describing why that version is not supported and what other protocols are supported by that server.
     1556         in <a href="p1-messaging.html#http.version" title="HTTP Version">Section 2.5</a> of <a href="#Part1" id="rfc.xref.Part1.29"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>, other than with this error message. The response <em class="bcp14">SHOULD</em> contain a representation describing why that version is not supported and what other protocols are supported by that server.
    15551557      </p>
    15561558      <h1 id="rfc.section.9"><a href="#rfc.section.9">9.</a>&nbsp;<a id="header.fields" href="#header.fields">Header Field Definitions</a></h1>
     
    15941596      </p>
    15951597      <p id="rfc.section.9.2.p.7">Many older HTTP/1.0 and HTTP/1.1 applications do not understand the Expect header field.</p>
    1596       <p id="rfc.section.9.2.p.8">See <a href="p1-messaging.html#use.of.the.100.status" title="Use of the 100 (Continue) Status">Section 7.2.3</a> of <a href="#Part1" id="rfc.xref.Part1.29"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> for the use of the 100 (Continue) status code.
     1598      <p id="rfc.section.9.2.p.8">See <a href="p1-messaging.html#use.of.the.100.status" title="Use of the 100 (Continue) Status">Section 7.2.3</a> of <a href="#Part1" id="rfc.xref.Part1.30"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a> for the use of the 100 (Continue) status code.
    15971599      </p>
    15981600      <div id="rfc.iref.f.1"></div>
     
    17051707      <h2 id="rfc.section.9.8"><a href="#rfc.section.9.8">9.8</a>&nbsp;<a id="header.server" href="#header.server">Server</a></h2>
    17061708      <p id="rfc.section.9.8.p.1">The "Server" response-header field contains information about the software used by the origin server to handle the request.</p>
    1707       <p id="rfc.section.9.8.p.2">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.30"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.31"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the server and any significant subproducts. The product tokens are listed in order of their significance for
     1709      <p id="rfc.section.9.8.p.2">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.31"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.32"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the server and any significant subproducts. The product tokens are listed in order of their significance for
    17081710         identifying the application.
    17091711      </p>
     
    17131715</pre><p id="rfc.section.9.8.p.4">Example:</p>
    17141716      <div id="rfc.figure.u.27"></div><pre class="text">  Server: CERN/3.0 libwww/2.17
    1715 </pre><p id="rfc.section.9.8.p.6">If the response is being forwarded through a proxy, the proxy application <em class="bcp14">MUST NOT</em> modify the Server response-header field. Instead, it <em class="bcp14">MUST</em> include a Via field (as described in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.32"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>).
     1717</pre><p id="rfc.section.9.8.p.6">If the response is being forwarded through a proxy, the proxy application <em class="bcp14">MUST NOT</em> modify the Server response-header field. Instead, it <em class="bcp14">MUST</em> include a Via field (as described in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.33"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>).
    17161718      </p>
    17171719      <div class="note" id="rfc.section.9.8.p.7">
     
    17291731         user agent limitations.
    17301732      </p>
    1731       <p id="rfc.section.9.9.p.3">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.33"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.34"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the agent and its significant subproducts. By convention, the product tokens are listed in order of their significance
     1733      <p id="rfc.section.9.9.p.3">The field can contain multiple product tokens (<a href="p1-messaging.html#product.tokens" title="Product Tokens">Section 6.3</a> of <a href="#Part1" id="rfc.xref.Part1.34"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) and comments (<a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a> of <a href="#Part1" id="rfc.xref.Part1.35"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>) identifying the agent and its significant subproducts. By convention, the product tokens are listed in order of their significance
    17321734         for identifying the application.
    17331735      </p>
     
    23152317      </p>
    23162318      <p id="rfc.section.A.p.8">In the description of the Server header field, the Via field was described as a SHOULD. The requirement was and is stated
    2317          correctly in the description of the Via header field in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.35"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. (<a href="#header.server" id="rfc.xref.header.server.4" title="Server">Section&nbsp;9.8</a>)
     2319         correctly in the description of the Via header field in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</a> of <a href="#Part1" id="rfc.xref.Part1.36"><cite title="HTTP/1.1, part 1: URIs, Connections, and Message Parsing">[Part1]</cite></a>. (<a href="#header.server" id="rfc.xref.header.server.4" title="Server">Section&nbsp;9.8</a>)
    23182320      </p>
    23192321      <h1 id="rfc.section.B"><a href="#rfc.section.B">B.</a>&nbsp;<a id="collected.abnf" href="#collected.abnf">Collected ABNF</a></h1>
     
    26292631      </ul>
    26302632      <h2 id="rfc.section.C.14"><a href="#rfc.section.C.14">C.14</a>&nbsp;<a id="changes.since.12" href="#changes.since.12">Since draft-ietf-httpbis-p2-semantics-12</a></h2>
    2631       <p id="rfc.section.C.14.p.1">None yet.</p>
     2633      <p id="rfc.section.C.14.p.1">Closed issues: </p>
     2634      <ul>
     2635         <li> &lt;<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/88">http://tools.ietf.org/wg/httpbis/trac/ticket/88</a>&gt;: "205 Bodies"
     2636         </li>
     2637      </ul>
    26322638      <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1>
    26332639      <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.I">I</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>
     
    27942800            </li>
    27952801            <li class="indline0"><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul class="ind">
    2796                   <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">1.2</a>, <a class="iref" href="#rfc.xref.Part1.3">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.4">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.5">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.6">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.7">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.8">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.9">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.10">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.11">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.12">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.13">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.14">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.15">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.16">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.17">2</a>, <a class="iref" href="#rfc.xref.Part1.18">2.1.1</a>, <a class="iref" href="#rfc.xref.Part1.19">3</a>, <a class="iref" href="#rfc.xref.Part1.20">3</a>, <a class="iref" href="#rfc.xref.Part1.21">5</a>, <a class="iref" href="#rfc.xref.Part1.22">6</a>, <a class="iref" href="#rfc.xref.Part1.23">6.1</a>, <a class="iref" href="#rfc.xref.Part1.24">7.8</a>, <a class="iref" href="#rfc.xref.Part1.25">7.8</a>, <a class="iref" href="#rfc.xref.Part1.26">8.1.1</a>, <a class="iref" href="#rfc.xref.Part1.27">8.1.2</a>, <a class="iref" href="#rfc.xref.Part1.28">8.5.6</a>, <a class="iref" href="#rfc.xref.Part1.29">9.2</a>, <a class="iref" href="#rfc.xref.Part1.30">9.8</a>, <a class="iref" href="#rfc.xref.Part1.31">9.8</a>, <a class="iref" href="#rfc.xref.Part1.32">9.8</a>, <a class="iref" href="#rfc.xref.Part1.33">9.9</a>, <a class="iref" href="#rfc.xref.Part1.34">9.9</a>, <a class="iref" href="#Part1"><b>13.1</b></a>, <a class="iref" href="#rfc.xref.Part1.35">A</a><ul class="ind">
     2802                  <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">1.2</a>, <a class="iref" href="#rfc.xref.Part1.3">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.4">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.5">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.6">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.7">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.8">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.9">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.10">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.11">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.12">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.13">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.14">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.15">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.16">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.17">2</a>, <a class="iref" href="#rfc.xref.Part1.18">2.1.1</a>, <a class="iref" href="#rfc.xref.Part1.19">3</a>, <a class="iref" href="#rfc.xref.Part1.20">3</a>, <a class="iref" href="#rfc.xref.Part1.21">5</a>, <a class="iref" href="#rfc.xref.Part1.22">6</a>, <a class="iref" href="#rfc.xref.Part1.23">6.1</a>, <a class="iref" href="#rfc.xref.Part1.24">7.8</a>, <a class="iref" href="#rfc.xref.Part1.25">7.8</a>, <a class="iref" href="#rfc.xref.Part1.26">8.1.1</a>, <a class="iref" href="#rfc.xref.Part1.27">8.1.2</a>, <a class="iref" href="#rfc.xref.Part1.28">8.2.6</a>, <a class="iref" href="#rfc.xref.Part1.29">8.5.6</a>, <a class="iref" href="#rfc.xref.Part1.30">9.2</a>, <a class="iref" href="#rfc.xref.Part1.31">9.8</a>, <a class="iref" href="#rfc.xref.Part1.32">9.8</a>, <a class="iref" href="#rfc.xref.Part1.33">9.8</a>, <a class="iref" href="#rfc.xref.Part1.34">9.9</a>, <a class="iref" href="#rfc.xref.Part1.35">9.9</a>, <a class="iref" href="#Part1"><b>13.1</b></a>, <a class="iref" href="#rfc.xref.Part1.36">A</a><ul class="ind">
    27972803                        <li class="indline1"><em>Section 1.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.2">1.2</a></li>
    27982804                        <li class="indline1"><em>Section 1.2.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.3">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.4">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.5">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.6">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.7">1.2.1</a>, <a class="iref" href="#rfc.xref.Part1.8">1.2.1</a></li>
    2799                         <li class="indline1"><em>Section 2.5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.28">8.5.6</a></li>
     2805                        <li class="indline1"><em>Section 2.5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.29">8.5.6</a></li>
    28002806                        <li class="indline1"><em>Section 2.6</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.9">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.11">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.13">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.16">1.2.2</a></li>
    2801                         <li class="indline1"><em>Section 3.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.10">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.31">9.8</a>, <a class="iref" href="#rfc.xref.Part1.34">9.9</a></li>
    2802                         <li class="indline1"><em>Section 3.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.18">2.1.1</a>, <a class="iref" href="#rfc.xref.Part1.22">6</a></li>
     2807                        <li class="indline1"><em>Section 3.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.10">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.32">9.8</a>, <a class="iref" href="#rfc.xref.Part1.35">9.9</a></li>
     2808                        <li class="indline1"><em>Section 3.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.18">2.1.1</a>, <a class="iref" href="#rfc.xref.Part1.22">6</a>, <a class="iref" href="#rfc.xref.Part1.28">8.2.6</a></li>
    28032809                        <li class="indline1"><em>Section 4.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.17">2</a>, <a class="iref" href="#rfc.xref.Part1.21">5</a>, <a class="iref" href="#rfc.xref.Part1.23">6.1</a></li>
    28042810                        <li class="indline1"><em>Section 6.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.12">1.2.2</a></li>
    2805                         <li class="indline1"><em>Section 6.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.14">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.30">9.8</a>, <a class="iref" href="#rfc.xref.Part1.33">9.9</a></li>
    2806                         <li class="indline1"><em>Section 7.2.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.26">8.1.1</a>, <a class="iref" href="#rfc.xref.Part1.29">9.2</a></li>
     2811                        <li class="indline1"><em>Section 6.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.14">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.31">9.8</a>, <a class="iref" href="#rfc.xref.Part1.34">9.9</a></li>
     2812                        <li class="indline1"><em>Section 7.2.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.26">8.1.1</a>, <a class="iref" href="#rfc.xref.Part1.30">9.2</a></li>
    28072813                        <li class="indline1"><em>Section 9.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.19">3</a></li>
    28082814                        <li class="indline1"><em>Section 9.5</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.15">1.2.2</a>, <a class="iref" href="#rfc.xref.Part1.20">3</a></li>
    28092815                        <li class="indline1"><em>Section 9.8</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.27">8.1.2</a></li>
    2810                         <li class="indline1"><em>Section 9.9</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.24">7.8</a>, <a class="iref" href="#rfc.xref.Part1.32">9.8</a>, <a class="iref" href="#rfc.xref.Part1.35">A</a></li>
     2816                        <li class="indline1"><em>Section 9.9</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.24">7.8</a>, <a class="iref" href="#rfc.xref.Part1.33">9.8</a>, <a class="iref" href="#rfc.xref.Part1.36">A</a></li>
    28112817                        <li class="indline1"><em>Section 10.3.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.25">7.8</a></li>
    28122818                     </ul>
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