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Changeset 2030 for draft-ietf-httpbis/latest/p2-semantics.html
- Timestamp:
- 04/12/12 12:58:55 (9 years ago)
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draft-ietf-httpbis/latest/p2-semantics.html (modified) (11 diffs)
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draft-ietf-httpbis/latest/p2-semantics.html
r2027 r2030 449 449 } 450 450 @bottom-center { 451 content: "Expires June 4, 2013";451 content: "Expires June 7, 2013"; 452 452 } 453 453 @bottom-right { … … 496 496 <meta name="dct.creator" content="Reschke, J. F."> 497 497 <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p2-semantics-latest"> 498 <meta name="dct.issued" scheme="ISO8601" content="2012-12-0 1">498 <meta name="dct.issued" scheme="ISO8601" content="2012-12-04"> 499 499 <meta name="dct.replaces" content="urn:ietf:rfc:2616"> 500 500 <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."> … … 524 524 <tr> 525 525 <td class="left">Intended status: Standards Track</td> 526 <td class="right">December 1, 2012</td>526 <td class="right">December 4, 2012</td> 527 527 </tr> 528 528 <tr> 529 <td class="left">Expires: June 4, 2013</td>529 <td class="left">Expires: June 7, 2013</td> 530 530 <td class="right"></td> 531 531 </tr> … … 555 555 in progress”. 556 556 </p> 557 <p>This Internet-Draft will expire on June 4, 2013.</p>557 <p>This Internet-Draft will expire on June 7, 2013.</p> 558 558 <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1> 559 559 <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p> … … 2651 2651 <div id="rfc.iref.74"></div> 2652 2652 <h3 id="rfc.section.7.5.7"><a href="#rfc.section.7.5.7">7.5.7</a> <a id="status.408" href="#status.408">408 Request Timeout</a></h3> 2653 <p id="rfc.section.7.5.7.p.1">The client did not produce a request within the time that the server was prepared to wait. The client <em class="bcp14">MAY</em> repeat the request without modifications at any later time. 2653 <p id="rfc.section.7.5.7.p.1">The server did not receive a complete request message within the time that it was prepared to wait. If the client has sent 2654 a request, it <em class="bcp14">MAY</em> repeat that request, possibly on a new connection if the server indicates that the present connection is being closed. 2654 2655 </p> 2655 2656 <div id="rfc.iref.74"></div> … … 3221 3222 a zero-length payload body. 3222 3223 </p> 3223 <p id="rfc.section.9.2.2.p.3">A definition for a new status code ought to explain the request conditions that produce a response containing that status3224 <p id="rfc.section.9.2.2.p.3">A definition for a new status code ought to explain the request conditions that would cause a response containing that status 3224 3225 code (e.g., combinations of request header fields and/or method(s)) along with any dependencies on response header fields 3225 3226 (e.g., what fields are required and what fields can modify the semantics). A response that can transfer a payload ought to … … 3473 3474 <p id="rfc.section.9.3.1.p.4">Because commas (",") are used as a generic delimiter between field-values, they need to be treated with care if they are allowed 3474 3475 in the field-value's payload. Typically, components that might contain a comma are protected with double-quotes using the 3475 quoted-string ABNF production (<a href="p1-messaging.html#field.components" title="Field value components">Section 3.2. 4</a> of <a href="#Part1" id="rfc.xref.Part1.33"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>).3476 quoted-string ABNF production (<a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.6</a> of <a href="#Part1" id="rfc.xref.Part1.33"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>). 3476 3477 </p> 3477 3478 <p id="rfc.section.9.3.1.p.5">For example, a textual date and a URI (either of which might contain a comma) could be safely carried in field-values like … … 3797 3798 </h2> 3798 3799 <p id="rfc.section.10.4.p.1">Since tunneled data is opaque to the proxy, there are additional risks to tunneling to other well-known or reserved ports. 3799 A HTTP client CONNECTing to port 25 could relay spam via SMTP, for example. As such, proxies <em class="bcp14">SHOULD</em> restrict CONNECT access to a small number of known ports.3800 An HTTP client CONNECTing to port 25 could relay spam via SMTP, for example. As such, proxies <em class="bcp14">SHOULD</em> restrict CONNECT access to a small number of known ports. 3800 3801 </p> 3801 3802 <h2 id="rfc.section.10.5"><a href="#rfc.section.10.5">10.5</a> <a id="privacy.issues.connected.to.accept.header.fields" href="#privacy.issues.connected.to.accept.header.fields">Privacy Issues Connected to Accept Header Fields</a></h2> … … 4154 4155 trust its value. (<a href="#header.allow" id="rfc.xref.header.allow.5" title="Allow">Section 8.4.1</a>) 4155 4156 </p> 4156 <p id="rfc.section.C.p.30">The requirement to produce 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 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</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 8.4.2</a>) 4157 4158 </p> 4158 4159 <p id="rfc.section.C.p.31">The contexts that charset is used in have been clarified. (<a href="#charset" title="Charset">Section 3.1.1.2</a>) … … 4181 4182 <p id="rfc.section.D.p.2">The rules below are defined in <a href="#Part1" id="rfc.xref.Part1.45"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>: 4182 4183 </p> 4183 <div id="rfc.figure.u.65"></div><pre class="inline"> <a href="#imported.abnf" class="smpl">BWS</a> = <BWS, defined in <a href="#Part1" id="rfc.xref.Part1.46"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#whitespace" title="Whitespace">Section 3.2. 1</a>>4184 <a href="#imported.abnf" class="smpl">OWS</a> = <OWS, defined in <a href="#Part1" id="rfc.xref.Part1.47"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#whitespace" title="Whitespace">Section 3.2. 1</a>>4185 <a href="#imported.abnf" class="smpl">RWS</a> = <RWS, defined in <a href="#Part1" id="rfc.xref.Part1.48"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#whitespace" title="Whitespace">Section 3.2. 1</a>>4184 <div id="rfc.figure.u.65"></div><pre class="inline"> <a href="#imported.abnf" class="smpl">BWS</a> = <BWS, defined in <a href="#Part1" id="rfc.xref.Part1.46"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#whitespace" title="Whitespace">Section 3.2.3</a>> 4185 <a href="#imported.abnf" class="smpl">OWS</a> = <OWS, defined in <a href="#Part1" id="rfc.xref.Part1.47"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#whitespace" title="Whitespace">Section 3.2.3</a>> 4186 <a href="#imported.abnf" class="smpl">RWS</a> = <RWS, defined in <a href="#Part1" id="rfc.xref.Part1.48"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#whitespace" title="Whitespace">Section 3.2.3</a>> 4186 4187 <a href="#imported.abnf" class="smpl">URI-reference</a> = <URI-reference, defined in <a href="#Part1" id="rfc.xref.Part1.49"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#uri" title="Uniform Resource Identifiers">Section 2.7</a>> 4187 4188 <a href="#imported.abnf" class="smpl">absolute-URI</a> = <absolute-URI, defined in <a href="#Part1" id="rfc.xref.Part1.50"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#uri" title="Uniform Resource Identifiers">Section 2.7</a>> 4188 <a href="#imported.abnf" class="smpl">comment</a> = <comment, defined in <a href="#Part1" id="rfc.xref.Part1.51"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2. 4</a>>4189 <a href="#imported.abnf" class="smpl">comment</a> = <comment, defined in <a href="#Part1" id="rfc.xref.Part1.51"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.6</a>> 4189 4190 <a href="#imported.abnf" class="smpl">field-name</a> = <comment, defined in <a href="#Part1" id="rfc.xref.Part1.52"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#header.fields" title="Header Fields">Section 3.2</a>> 4190 4191 <a href="#imported.abnf" class="smpl">partial-URI</a> = <partial-URI, defined in <a href="#Part1" id="rfc.xref.Part1.53"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#uri" title="Uniform Resource Identifiers">Section 2.7</a>> 4191 <a href="#imported.abnf" class="smpl">quoted-string</a> = <quoted-string, defined in <a href="#Part1" id="rfc.xref.Part1.54"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2. 4</a>>4192 <a href="#imported.abnf" class="smpl">token</a> = <token, defined in <a href="#Part1" id="rfc.xref.Part1.55"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2. 4</a>>4193 <a href="#imported.abnf" class="smpl">word</a> = <word, defined in <a href="#Part1" id="rfc.xref.Part1.56"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2. 4</a>>4192 <a href="#imported.abnf" class="smpl">quoted-string</a> = <quoted-string, defined in <a href="#Part1" id="rfc.xref.Part1.54"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.6</a>> 4193 <a href="#imported.abnf" class="smpl">token</a> = <token, defined in <a href="#Part1" id="rfc.xref.Part1.55"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.6</a>> 4194 <a href="#imported.abnf" class="smpl">word</a> = <word, defined in <a href="#Part1" id="rfc.xref.Part1.56"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing">[Part1]</cite></a>, <a href="p1-messaging.html#field.components" title="Field value components">Section 3.2.6</a>> 4194 4195 </pre><h1 id="rfc.section.E"><a href="#rfc.section.E">E.</a> <a id="collected.abnf" href="#collected.abnf">Collected ABNF</a></h1> 4195 4196 <div id="rfc.figure.u.66"></div> <pre class="inline"><a href="#header.accept" class="smpl">Accept</a> = [ ( "," / ( media-range [ accept-params ] ) ) *( OWS "," [ … … 4541 4542 <li><em>Section 2.7</em> <a href="#rfc.xref.Part1.4">2</a>, <a href="#rfc.xref.Part1.49">D</a>, <a href="#rfc.xref.Part1.50">D</a>, <a href="#rfc.xref.Part1.53">D</a></li> 4542 4543 <li><em>Section 3.2</em> <a href="#rfc.xref.Part1.21">6.5.3</a>, <a href="#rfc.xref.Part1.28">8.4.2</a>, <a href="#rfc.xref.Part1.31">9.3.1</a>, <a href="#rfc.xref.Part1.34">9.3.1</a>, <a href="#rfc.xref.Part1.52">D</a></li> 4543 <li><em>Section 3.2. 1</em> <a href="#rfc.xref.Part1.46">D</a>, <a href="#rfc.xref.Part1.47">D</a>, <a href="#rfc.xref.Part1.48">D</a></li>4544 <li><em>Section 3.2. 4</em> <a href="#rfc.xref.Part1.33">9.3.1</a>, <a href="#rfc.xref.Part1.51">D</a>, <a href="#rfc.xref.Part1.54">D</a>, <a href="#rfc.xref.Part1.55">D</a>, <a href="#rfc.xref.Part1.56">D</a></li>4544 <li><em>Section 3.2.3</em> <a href="#rfc.xref.Part1.46">D</a>, <a href="#rfc.xref.Part1.47">D</a>, <a href="#rfc.xref.Part1.48">D</a></li> 4545 <li><em>Section 3.2.6</em> <a href="#rfc.xref.Part1.33">9.3.1</a>, <a href="#rfc.xref.Part1.51">D</a>, <a href="#rfc.xref.Part1.54">D</a>, <a href="#rfc.xref.Part1.55">D</a>, <a href="#rfc.xref.Part1.56">D</a></li> 4545 4546 <li><em>Section 3.3.1</em> <a href="#rfc.xref.Part1.10">3.1.2.2</a>, <a href="#rfc.xref.Part1.14">3.3</a></li> 4546 4547 <li><em>Section 3.3</em> <a href="#rfc.xref.Part1.24">7.3.6</a>, <a href="#rfc.xref.Part1.30">9.1.2</a></li>
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