Ignore:
Timestamp:
Dec 5, 2012, 8:59:49 AM (7 years ago)
Author:
fielding@…
Message:

(editorial) Deal with second half of mnot p1 feedback; addresses #408

File:
1 edited

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

    r2030 r2031  
    449449  }
    450450  @bottom-center {
    451        content: "Expires June 7, 2013";
     451       content: "Expires June 8, 2013";
    452452  }
    453453  @bottom-right {
     
    496496      <meta name="dct.creator" content="Reschke, J. F.">
    497497      <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p2-semantics-latest">
    498       <meta name="dct.issued" scheme="ISO8601" content="2012-12-04">
     498      <meta name="dct.issued" scheme="ISO8601" content="2012-12-05">
    499499      <meta name="dct.replaces" content="urn:ietf:rfc:2616">
    500500      <meta name="dct.abstract" content="The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypertext information systems. This document defines the semantics of HTTP/1.1 messages, as expressed by request methods, request header fields, response status codes, and response header fields, along with the payload of messages (metadata and body content) and mechanisms for content negotiation.">
     
    524524            <tr>
    525525               <td class="left">Intended status: Standards Track</td>
    526                <td class="right">December 4, 2012</td>
     526               <td class="right">December 5, 2012</td>
    527527            </tr>
    528528            <tr>
    529                <td class="left">Expires: June 7, 2013</td>
     529               <td class="left">Expires: June 8, 2013</td>
    530530               <td class="right"></td>
    531531            </tr>
     
    555555         in progress”.
    556556      </p>
    557       <p>This Internet-Draft will expire on June 7, 2013.</p>
     557      <p>This Internet-Draft will expire on June 8, 2013.</p>
    558558      <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
    559559      <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
     
    16161616      </p>
    16171617      <p id="rfc.section.5.3.8.p.2">TRACE allows the client to see what is being received at the other end of the request chain and use that data for testing
    1618          or diagnostic information. The value of the <a href="p1-messaging.html#header.via" class="smpl">Via</a> header field (<a href="p1-messaging.html#header.via" title="Via">Section 5.7</a> of <a href="#Part1" id="rfc.xref.Part1.17"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>) is of particular interest, since it acts as a trace of the request chain. Use of the <a href="#header.max-forwards" class="smpl">Max-Forwards</a> header field allows the client to limit the length of the request chain, which is useful for testing a chain of proxies forwarding
     1618         or diagnostic information. The value of the <a href="p1-messaging.html#header.via" class="smpl">Via</a> header field (<a href="p1-messaging.html#header.via" title="Via">Section 5.7.1</a> of <a href="#Part1" id="rfc.xref.Part1.17"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>) is of particular interest, since it acts as a trace of the request chain. Use of the <a href="#header.max-forwards" class="smpl">Max-Forwards</a> header field allows the client to limit the length of the request chain, which is useful for testing a chain of proxies forwarding
    16191619         messages in an infinite loop.
    16201620      </p>
     
    30923092</pre><p id="rfc.section.8.4.2.p.4">Example:</p>
    30933093      <div id="rfc.figure.u.62"></div><pre class="text">  Server: CERN/3.0 libwww/2.17
    3094 </pre><p id="rfc.section.8.4.2.p.6">If the response is being forwarded through a proxy, the proxy application <em class="bcp14">MUST NOT</em> modify the <a href="#header.server" class="smpl">Server</a> header field. Instead, it <em class="bcp14">MUST</em> include a <a href="p1-messaging.html#header.via" class="smpl">Via</a> field (as described in <a href="p1-messaging.html#header.via" title="Via">Section 5.7</a> of <a href="#Part1" id="rfc.xref.Part1.29"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>).
     3094</pre><p id="rfc.section.8.4.2.p.6">If the response is being forwarded through a proxy, the proxy application <em class="bcp14">MUST NOT</em> modify the <a href="#header.server" class="smpl">Server</a> header field. Instead, it <em class="bcp14">MUST</em> include a <a href="p1-messaging.html#header.via" class="smpl">Via</a> field (as described in <a href="p1-messaging.html#header.via" title="Via">Section 5.7.1</a> of <a href="#Part1" id="rfc.xref.Part1.29"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>).
    30953095      </p>
    30963096      <div class="note" id="rfc.section.8.4.2.p.7">
     
    41554155         trust its value. (<a href="#header.allow" id="rfc.xref.header.allow.5" title="Allow">Section&nbsp;8.4.1</a>)
    41564156      </p>
    4157       <p id="rfc.section.C.p.30">The requirement to generate a <a href="p1-messaging.html#header.via" class="smpl">Via</a> header field has been moved from the description of the <a href="#header.server" class="smpl">Server</a> header field to <a href="p1-messaging.html#header.via" title="Via">Section 5.7</a> of <a href="#Part1" id="rfc.xref.Part1.44"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>. (<a href="#header.server" id="rfc.xref.header.server.4" title="Server">Section&nbsp;8.4.2</a>)
     4157      <p id="rfc.section.C.p.30">The requirement to generate a <a href="p1-messaging.html#header.via" class="smpl">Via</a> header field has been moved from the description of the <a href="#header.server" class="smpl">Server</a> header field to <a href="p1-messaging.html#header.via" title="Via">Section 5.7.1</a> of <a href="#Part1" id="rfc.xref.Part1.44"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>. (<a href="#header.server" id="rfc.xref.header.server.4" title="Server">Section&nbsp;8.4.2</a>)
    41584158      </p>
    41594159      <p id="rfc.section.C.p.31">The contexts that charset is used in have been clarified. (<a href="#charset" title="Charset">Section&nbsp;3.1.1.2</a>)
     
    41714171      <p id="rfc.section.C.p.36">The Status Code Registry is now defined by this specification; previously, it was defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.1">Section 7.1</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.4"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#status.code.registry" title="Status Code Registry">Section&nbsp;9.2</a>)
    41724172      </p>
    4173       <p id="rfc.section.C.p.37">References to the "identity" transfer-coding value token have been removed. (<a href="#no.content-transfer-encoding" id="rfc.xref.no.content-transfer-encoding.1" title="No Content-Transfer-Encoding">Appendix&nbsp;A.5</a>)
     4173      <p id="rfc.section.C.p.37">References to the "identity" transfer coding token have been removed. (<a href="#no.content-transfer-encoding" id="rfc.xref.no.content-transfer-encoding.1" title="No Content-Transfer-Encoding">Appendix&nbsp;A.5</a>)
    41744174      </p>
    41754175      <p id="rfc.section.C.p.38">The Content-Disposition header field is now defined by <a href="#RFC6266" id="rfc.xref.RFC6266.2"><cite title="Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)">[RFC6266]</cite></a>. (<a href="#additional.features" title="Additional Features">Appendix&nbsp;B</a>)
     
    42044204<a href="#header.allow" class="smpl">Allow</a> = [ ( "," / method ) *( OWS "," [ OWS method ] ) ]
    42054205
    4206 <a href="#imported.abnf" class="smpl">BWS</a> = &lt;BWS, defined in [Part1], Section 3.2.1&gt;
     4206<a href="#imported.abnf" class="smpl">BWS</a> = &lt;BWS, defined in [Part1], Section 3.2.3&gt;
    42074207
    42084208<a href="#header.content-encoding" class="smpl">Content-Encoding</a> = *( "," OWS ) content-coding *( OWS "," [ OWS
     
    42284228<a href="#header.max-forwards" class="smpl">Max-Forwards</a> = 1*DIGIT
    42294229
    4230 <a href="#imported.abnf" class="smpl">OWS</a> = &lt;OWS, defined in [Part1], Section 3.2.1&gt;
    4231 
    4232 <a href="#imported.abnf" class="smpl">RWS</a> = &lt;RWS, defined in [Part1], Section 3.2.1&gt;
     4230<a href="#imported.abnf" class="smpl">OWS</a> = &lt;OWS, defined in [Part1], Section 3.2.3&gt;
     4231
     4232<a href="#imported.abnf" class="smpl">RWS</a> = &lt;RWS, defined in [Part1], Section 3.2.3&gt;
    42334233<a href="#header.referer" class="smpl">Referer</a> = absolute-URI / partial-URI
    42344234<a href="#header.retry-after" class="smpl">Retry-After</a> = HTTP-date / delta-seconds
     
    42504250<a href="#charset" class="smpl">charset</a> = token
    42514251<a href="#header.accept-encoding" class="smpl">codings</a> = content-coding / "identity" / "*"
    4252 <a href="#imported.abnf" class="smpl">comment</a> = &lt;comment, defined in [Part1], Section 3.2.4&gt;
     4252<a href="#imported.abnf" class="smpl">comment</a> = &lt;comment, defined in [Part1], Section 3.2.6&gt;
    42534253<a href="#content.codings" class="smpl">content-coding</a> = token
    42544254
     
    43124312<a href="#product.tokens" class="smpl">product-version</a> = token
    43134313
    4314 <a href="#imported.abnf" class="smpl">quoted-string</a> = &lt;quoted-string, defined in [Part1], Section 3.2.4&gt;
     4314<a href="#imported.abnf" class="smpl">quoted-string</a> = &lt;quoted-string, defined in [Part1], Section 3.2.6&gt;
    43154315<a href="#quality.values" class="smpl">qvalue</a> = ( "0" [ "." *3DIGIT ] ) / ( "1" [ "." *3"0" ] )
    43164316
     
    43224322
    43234323<a href="#preferred.date.format" class="smpl">time-of-day</a> = hour ":" minute ":" second
    4324 <a href="#imported.abnf" class="smpl">token</a> = &lt;token, defined in [Part1], Section 3.2.4&gt;
     4324<a href="#imported.abnf" class="smpl">token</a> = &lt;token, defined in [Part1], Section 3.2.6&gt;
    43254325<a href="#media.type" class="smpl">type</a> = token
    43264326
     
    43284328
    43294329<a href="#quality.values" class="smpl">weight</a> = OWS ";" OWS "q=" qvalue
    4330 <a href="#imported.abnf" class="smpl">word</a> = &lt;word, defined in [Part1], Section 3.2.4&gt;
     4330<a href="#imported.abnf" class="smpl">word</a> = &lt;word, defined in [Part1], Section 3.2.6&gt;
    43314331
    43324332<a href="#preferred.date.format" class="smpl">year</a> = 4DIGIT
     
    45574557                        <li><em>Section 5.4</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.19">6.1</a></li>
    45584558                        <li><em>Section 5.5</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.6">2</a>, <a href="#rfc.xref.Part1.11">3.1.4.1</a>, <a href="#rfc.xref.Part1.12">3.1.4.2</a>, <a href="#rfc.xref.Part1.27">8</a></li>
    4559                         <li><em>Section 5.7</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.17">5.3.8</a>, <a href="#rfc.xref.Part1.29">8.4.2</a>, <a href="#rfc.xref.Part1.44">C</a></li>
     4559                        <li><em>Section 5.7.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.17">5.3.8</a>, <a href="#rfc.xref.Part1.29">8.4.2</a>, <a href="#rfc.xref.Part1.44">C</a></li>
    45604560                        <li><em>Section 6.1</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.35">9.3.1</a></li>
    45614561                        <li><em>Section 6.3</em>&nbsp;&nbsp;<a href="#rfc.xref.Part1.22">7.2.2</a>, <a href="#rfc.xref.Part1.25">7.5.15</a></li>
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