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Jul 24, 2010, 2:24:23 AM (9 years ago)
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  • draft-ietf-httpbis/latest/p2-semantics.html

    r902 r912  
    388388      <link rel="Chapter" title="12 Acknowledgments" href="#rfc.section.12">
    389389      <link rel="Chapter" href="#rfc.section.13" title="13 References">
    390       <link rel="Appendix" title="A Compatibility with Previous Versions" href="#rfc.section.A">
     390      <link rel="Appendix" title="A Changes from RFC 2616" href="#rfc.section.A">
    391391      <link rel="Appendix" title="B Collected ABNF" href="#rfc.section.B">
    392392      <link rel="Appendix" title="C Change Log (to be removed by RFC Editor before publication)" href="#rfc.section.C">
     
    661661         </li>
    662662         <li class="tocline0"><a href="#rfc.authors">Authors' Addresses</a></li>
    663          <li class="tocline0">A.&nbsp;&nbsp;&nbsp;<a href="#compatibility">Compatibility with Previous Versions</a><ul class="toc">
    664                <li class="tocline1">A.1&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2068">Changes from RFC 2068</a></li>
    665                <li class="tocline1">A.2&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2616">Changes from RFC 2616</a></li>
    666             </ul>
    667          </li>
     663         <li class="tocline0">A.&nbsp;&nbsp;&nbsp;<a href="#changes.from.rfc.2616">Changes from RFC 2616</a></li>
    668664         <li class="tocline0">B.&nbsp;&nbsp;&nbsp;<a href="#collected.abnf">Collected ABNF</a></li>
    669665         <li class="tocline0">C.&nbsp;&nbsp;&nbsp;<a href="#change.log">Change Log (to be removed by RFC Editor before publication)</a><ul class="toc">
     
    10431039         a Location header (see <a href="#header.location" id="rfc.xref.header.location.2" title="Location">Section&nbsp;9.4</a>).
    10441040      </p>
    1045       <p id="rfc.section.7.5.p.5">Responses to POST requests are cacheable only when they include explicit freshness information (see <a href="p6-cache.html#calculating.freshness.lifetime" title="Calculating Freshness Lifetime">Section 2.3.1</a> of <a href="#Part6" id="rfc.xref.Part6.8"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>). Such cached POST responses <em class="bcp14">MAY</em> be used to satisfy subsequent GET and HEAD requests. Note that POST caching is not widely implemented. However, the 303 (See
    1046          Other) response can be used to direct the user agent to retrieve a cacheable resource.
     1041      <p id="rfc.section.7.5.p.5">Responses to POST requests are only cacheable when they include explicit freshness information (see <a href="p6-cache.html#calculating.freshness.lifetime" title="Calculating Freshness Lifetime">Section 2.3.1</a> of <a href="#Part6" id="rfc.xref.Part6.8"><cite title="HTTP/1.1, part 6: Caching">[Part6]</cite></a>). A cached POST response with a Content-Location header (see <a href="p3-payload.html#header.content-location" title="Content-Location">Section 5.7</a> of <a href="#Part3" id="rfc.xref.Part3.10"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) whose value is the Effective Request URI <em class="bcp14">MAY</em> be used to satisfy subsequent GET and HEAD requests.
     1042      </p>
     1043      <p id="rfc.section.7.5.p.6">Note that POST caching is not widely implemented. However, the 303 (See Other) response can be used to direct the user agent
     1044         to retrieve a cacheable resource.
    10471045      </p>
    10481046      <div id="rfc.iref.p.2"></div>
     
    12361234      <h3 id="rfc.section.8.3.1"><a href="#rfc.section.8.3.1">8.3.1</a>&nbsp;<a id="status.300" href="#status.300">300 Multiple Choices</a></h3>
    12371235      <p id="rfc.section.8.3.1.p.1">The requested resource corresponds to any one of a set of representations, each with its own specific location, and agent-driven
    1238          negotiation information (<a href="p3-payload.html#content.negotiation" title="Content Negotiation">Section 4</a> of <a href="#Part3" id="rfc.xref.Part3.10"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) is being provided so that the user (or user agent) can select a preferred representation and redirect its request to that
     1236         negotiation information (<a href="p3-payload.html#content.negotiation" title="Content Negotiation">Section 4</a> of <a href="#Part3" id="rfc.xref.Part3.11"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) is being provided so that the user (or user agent) can select a preferred representation and redirect its request to that
    12391237         location.
    12401238      </p>
     
    13111309      <div id="rfc.iref.s.16"></div>
    13121310      <h3 id="rfc.section.8.3.6"><a href="#rfc.section.8.3.6">8.3.6</a>&nbsp;<a id="status.305" href="#status.305">305 Use Proxy</a></h3>
    1313       <p id="rfc.section.8.3.6.p.1">The 305 status was defined in a previous version of this specification (see <a href="#changes.from.rfc.2616" title="Changes from RFC 2616">Appendix&nbsp;A.2</a>), and is now deprecated.
     1311      <p id="rfc.section.8.3.6.p.1">The 305 status was defined in a previous version of this specification (see <a href="#changes.from.rfc.2616" title="Changes from RFC 2616">Appendix&nbsp;A</a>), and is now deprecated.
    13141312      </p>
    13151313      <div id="rfc.iref.40"></div>
     
    16171615      </div>
    16181616      <div class="note" id="rfc.section.9.4.p.9">
    1619          <p> <b>Note:</b> The Content-Location header field (<a href="p3-payload.html#header.content-location" title="Content-Location">Section 5.7</a> of <a href="#Part3" id="rfc.xref.Part3.11"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) differs from Location in that the Content-Location identifies the most specific resource corresponding to the enclosed representation.
     1617         <p> <b>Note:</b> The Content-Location header field (<a href="p3-payload.html#header.content-location" title="Content-Location">Section 5.7</a> of <a href="#Part3" id="rfc.xref.Part3.12"><cite title="HTTP/1.1, part 3: Message Payload and Content Negotiation">[Part3]</cite></a>) differs from Location in that the Content-Location identifies the most specific resource corresponding to the enclosed representation.
    16201618            It is therefore possible for a response to contain header fields for both Location and Content-Location.
    16211619         </p>
     
    22532251               <span class="n hidden"><span class="family-name">Reschke</span><span class="given-name">Julian F.</span></span></span><span class="org vcardline">greenbytes GmbH</span><span class="adr"><span class="street-address vcardline">Hafenweg 16</span><span class="vcardline"><span class="locality">Muenster</span>, <span class="region">NW</span>&nbsp;<span class="postal-code">48155</span></span><span class="country-name vcardline">Germany</span></span><span class="vcardline tel">Phone: <a href="tel:+492512807760"><span class="value">+49 251 2807760</span></a></span><span class="vcardline tel"><span class="type">Fax</span>: <a href="fax:+492512807761"><span class="value">+49 251 2807761</span></a></span><span class="vcardline">Email: <a href="mailto:julian.reschke@greenbytes.de"><span class="email">julian.reschke@greenbytes.de</span></a></span><span class="vcardline">URI: <a href="http://greenbytes.de/tech/webdav/" class="url">http://greenbytes.de/tech/webdav/</a></span></address>
    22542252      </div>
    2255       <h1 id="rfc.section.A" class="np"><a href="#rfc.section.A">A.</a>&nbsp;<a id="compatibility" href="#compatibility">Compatibility with Previous Versions</a></h1>
    2256       <h2 id="rfc.section.A.1"><a href="#rfc.section.A.1">A.1</a>&nbsp;<a id="changes.from.rfc.2068" href="#changes.from.rfc.2068">Changes from RFC 2068</a></h2>
    2257       <p id="rfc.section.A.1.p.1">Clarified which error code should be used for inbound server failures (e.g., DNS failures). (<a href="#status.504" id="rfc.xref.status.504.3" title="504 Gateway Timeout">Section&nbsp;8.5.5</a>).
    2258       </p>
    2259       <p id="rfc.section.A.1.p.2">201 (Created) had a race that required an ETag be sent when a resource is first created. (<a href="#status.201" id="rfc.xref.status.201.3" title="201 Created">Section&nbsp;8.2.2</a>).
    2260       </p>
    2261       <p id="rfc.section.A.1.p.3">303 (See Also) and 307 (Temporary Redirect) added to address user agent failure to implement status code 302 properly. (Section <a href="#status.303" id="rfc.xref.status.303.4" title="303 See Other">8.3.4</a> and <a href="#status.307" id="rfc.xref.status.307.4" title="307 Temporary Redirect">8.3.8</a>)
    2262       </p>
    2263       <p id="rfc.section.A.1.p.4">Rewrite of message transmission requirements to make it much harder for implementors to get it wrong, as the consequences
    2264          of errors here can have significant impact on the Internet, and to deal with the following problems:
    2265       </p>
    2266       <ol>
    2267          <li>Changing "HTTP/1.1 or later" to "HTTP/1.1", in contexts where this was incorrectly placing a requirement on the behavior of
    2268             an implementation of a future version of HTTP/1.x
    2269          </li>
    2270          <li>Made it clear that user-agents should retry requests, not "clients" in general.</li>
    2271          <li>Converted requirements for clients to ignore unexpected 100 (Continue) responses, and for proxies to forward 100 responses,
    2272             into a general requirement for 1xx responses.
    2273          </li>
    2274          <li>Modified some TCP-specific language, to make it clearer that non-TCP transports are possible for HTTP.</li>
    2275          <li>Require that the origin server <em class="bcp14">MUST NOT</em> wait for the request body before it sends a required 100 (Continue) response.
    2276          </li>
    2277          <li>Allow, rather than require, a server to omit 100 (Continue) if it has already seen some of the request body.</li>
    2278          <li>Allow servers to defend against denial-of-service attacks and broken clients.</li>
    2279       </ol>
    2280       <p id="rfc.section.A.1.p.5">This change adds the Expect header and 417 status code.</p>
    2281       <p id="rfc.section.A.1.p.6">Clean up confusion between 403 and 404 responses. (Section <a href="#status.403" id="rfc.xref.status.403.3" title="403 Forbidden">8.4.4</a>, <a href="#status.404" id="rfc.xref.status.404.3" title="404 Not Found">8.4.5</a>, and <a href="#status.410" id="rfc.xref.status.410.3" title="410 Gone">8.4.11</a>)
    2282       </p>
    2283       <p id="rfc.section.A.1.p.7">The PATCH<span id="rfc.iref.p.3"></span><span id="rfc.iref.m.10"></span>, LINK<span id="rfc.iref.l.2"></span><span id="rfc.iref.m.11"></span>, UNLINK<span id="rfc.iref.u.2"></span><span id="rfc.iref.m.12"></span> methods were defined but not commonly implemented in previous versions of this specification. See <a href="http://tools.ietf.org/html/rfc2068#section-19.6.1">Section 19.6.1</a> of <a href="#RFC2068" id="rfc.xref.RFC2068.3"><cite title="Hypertext Transfer Protocol -- HTTP/1.1">[RFC2068]</cite></a>.
    2284       </p>
    2285       <h2 id="rfc.section.A.2"><a href="#rfc.section.A.2">A.2</a>&nbsp;<a id="changes.from.rfc.2616" href="#changes.from.rfc.2616">Changes from RFC 2616</a></h2>
    2286       <p id="rfc.section.A.2.p.1">This document takes over the Status Code Registry, previously defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.1">Section 7.1</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.3"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#status.code.registry" title="Status Code Registry">Section&nbsp;4.1</a>)
    2287       </p>
    2288       <p id="rfc.section.A.2.p.2">Clarify definition of POST. (<a href="#POST" id="rfc.xref.POST.3" title="POST">Section&nbsp;7.5</a>)
    2289       </p>
    2290       <p id="rfc.section.A.2.p.3">Failed to consider that there are many other request methods that are safe to automatically redirect, and further that the
    2291          user agent is able to make that determination based on the request method semantics. (Sections <a href="#status.301" id="rfc.xref.status.301.3" title="301 Moved Permanently">8.3.2</a>, <a href="#status.302" id="rfc.xref.status.302.3" title="302 Found">8.3.3</a> and <a href="#status.307" id="rfc.xref.status.307.5" title="307 Temporary Redirect">8.3.8</a>)
    2292       </p>
    2293       <p id="rfc.section.A.2.p.4">Deprecate 305 Use Proxy status code, because user agents did not implement it. It used to indicate that the requested resource
     2253      <h1 id="rfc.section.A" class="np"><a href="#rfc.section.A">A.</a>&nbsp;<a id="changes.from.rfc.2616" href="#changes.from.rfc.2616">Changes from RFC 2616</a></h1>
     2254      <p id="rfc.section.A.p.1">This document takes over the Status Code Registry, previously defined in <a href="http://tools.ietf.org/html/rfc2817#section-7.1">Section 7.1</a> of <a href="#RFC2817" id="rfc.xref.RFC2817.3"><cite title="Upgrading to TLS Within HTTP/1.1">[RFC2817]</cite></a>. (<a href="#status.code.registry" title="Status Code Registry">Section&nbsp;4.1</a>)
     2255      </p>
     2256      <p id="rfc.section.A.p.2">Clarify definition of POST. (<a href="#POST" id="rfc.xref.POST.3" title="POST">Section&nbsp;7.5</a>)
     2257      </p>
     2258      <p id="rfc.section.A.p.3">Failed to consider that there are many other request methods that are safe to automatically redirect, and further that the
     2259         user agent is able to make that determination based on the request method semantics. (Sections <a href="#status.301" id="rfc.xref.status.301.3" title="301 Moved Permanently">8.3.2</a>, <a href="#status.302" id="rfc.xref.status.302.3" title="302 Found">8.3.3</a> and <a href="#status.307" id="rfc.xref.status.307.4" title="307 Temporary Redirect">8.3.8</a>)
     2260      </p>
     2261      <p id="rfc.section.A.p.4">Deprecate 305 Use Proxy status code, because user agents did not implement it. It used to indicate that the requested resource
    22942262         must be accessed through the proxy given by the Location field. The Location field gave the URI of the proxy. The recipient
    22952263         was expected to repeat this single request via the proxy. (<a href="#status.305" id="rfc.xref.status.305.3" title="305 Use Proxy">Section&nbsp;8.3.6</a>)
    22962264      </p>
    2297       <p id="rfc.section.A.2.p.5">Reclassify Allow header as response header, removing the option to specify it in a PUT request. Relax the server requirement
     2265      <p id="rfc.section.A.p.5">Reclassify Allow header as response header, removing the option to specify it in a PUT request. Relax the server requirement
    22982266         on the contents of the Allow header and remove requirement on clients to always trust the header value. (<a href="#header.allow" id="rfc.xref.header.allow.4" title="Allow">Section&nbsp;9.1</a>)
    22992267      </p>
    2300       <p id="rfc.section.A.2.p.6">Correct syntax of Location header to allow URI references (including relative references and fragments), as referred symbol
     2268      <p id="rfc.section.A.p.6">Correct syntax of Location header to allow URI references (including relative references and fragments), as referred symbol
    23012269         "absoluteURI" wasn't what was expected, and add some clarifications as to when use of fragments would not be appropriate.
    23022270         (<a href="#header.location" id="rfc.xref.header.location.4" title="Location">Section&nbsp;9.4</a>)
    23032271      </p>
    2304       <p id="rfc.section.A.2.p.7">Allow Referer value of "about:blank" as alternative to not specifying it. (<a href="#header.referer" id="rfc.xref.header.referer.3" title="Referer">Section&nbsp;9.6</a>)
    2305       </p>
    2306       <p id="rfc.section.A.2.p.8">In the description of the Server header, the Via field was described as a SHOULD. The requirement was and is stated correctly
     2272      <p id="rfc.section.A.p.7">Allow Referer value of "about:blank" as alternative to not specifying it. (<a href="#header.referer" id="rfc.xref.header.referer.3" title="Referer">Section&nbsp;9.6</a>)
     2273      </p>
     2274      <p id="rfc.section.A.p.8">In the description of the Server header, the Via field was described as a SHOULD. The requirement was and is stated correctly
    23072275         in the description of the Via header in <a href="p1-messaging.html#header.via" title="Via">Section 9.9</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>. (<a href="#header.server" id="rfc.xref.header.server.4" title="Server">Section&nbsp;9.8</a>)
    23082276      </p>
     
    26052573         <li> &lt;<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/199">http://tools.ietf.org/wg/httpbis/trac/ticket/199</a>&gt;: "Status codes and caching"
    26062574         </li>
     2575         <li> &lt;<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/220">http://tools.ietf.org/wg/httpbis/trac/ticket/220</a>&gt;: "consider removing the 'changes from 2068' sections"
     2576         </li>
    26072577      </ul>
    26082578      <h1 id="rfc.index"><a href="#rfc.index">Index</a></h1>
     
    26182588            <li class="indline0"><a id="rfc.index.2" href="#rfc.index.2"><b>2</b></a><ul class="ind">
    26192589                  <li class="indline1">200 OK (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.200.1">4</a>, <a class="iref" href="#rfc.iref.27"><b>8.2.1</b></a>, <a class="iref" href="#rfc.xref.status.200.2">10.2</a></li>
    2620                   <li class="indline1">201 Created (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.201.1">4</a>, <a class="iref" href="#rfc.iref.28"><b>8.2.2</b></a>, <a class="iref" href="#rfc.xref.status.201.2">10.2</a>, <a class="iref" href="#rfc.xref.status.201.3">A.1</a></li>
     2590                  <li class="indline1">201 Created (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.201.1">4</a>, <a class="iref" href="#rfc.iref.28"><b>8.2.2</b></a>, <a class="iref" href="#rfc.xref.status.201.2">10.2</a></li>
    26212591                  <li class="indline1">202 Accepted (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.202.1">4</a>, <a class="iref" href="#rfc.iref.29"><b>8.2.3</b></a>, <a class="iref" href="#rfc.xref.status.202.2">10.2</a></li>
    26222592                  <li class="indline1">203 Non-Authoritative Information (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.203.1">4</a>, <a class="iref" href="#rfc.iref.30"><b>8.2.4</b></a>, <a class="iref" href="#rfc.xref.status.203.2">10.2</a></li>
     
    26282598            <li class="indline0"><a id="rfc.index.3" href="#rfc.index.3"><b>3</b></a><ul class="ind">
    26292599                  <li class="indline1">300 Multiple Choices (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.300.1">4</a>, <a class="iref" href="#rfc.iref.34"><b>8.3.1</b></a>, <a class="iref" href="#rfc.xref.status.300.2">10.2</a></li>
    2630                   <li class="indline1">301 Moved Permanently (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.301.1">4</a>, <a class="iref" href="#rfc.iref.35"><b>8.3.2</b></a>, <a class="iref" href="#rfc.xref.status.301.2">10.2</a>, <a class="iref" href="#rfc.xref.status.301.3">A.2</a></li>
    2631                   <li class="indline1">302 Found (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.302.1">4</a>, <a class="iref" href="#rfc.iref.36"><b>8.3.3</b></a>, <a class="iref" href="#rfc.xref.status.302.2">10.2</a>, <a class="iref" href="#rfc.xref.status.302.3">A.2</a></li>
    2632                   <li class="indline1">303 See Other (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.303.1">4</a>, <a class="iref" href="#rfc.xref.status.303.2">8.3.3</a>, <a class="iref" href="#rfc.iref.37"><b>8.3.4</b></a>, <a class="iref" href="#rfc.xref.status.303.3">10.2</a>, <a class="iref" href="#rfc.xref.status.303.4">A.1</a></li>
     2600                  <li class="indline1">301 Moved Permanently (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.301.1">4</a>, <a class="iref" href="#rfc.iref.35"><b>8.3.2</b></a>, <a class="iref" href="#rfc.xref.status.301.2">10.2</a>, <a class="iref" href="#rfc.xref.status.301.3">A</a></li>
     2601                  <li class="indline1">302 Found (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.302.1">4</a>, <a class="iref" href="#rfc.iref.36"><b>8.3.3</b></a>, <a class="iref" href="#rfc.xref.status.302.2">10.2</a>, <a class="iref" href="#rfc.xref.status.302.3">A</a></li>
     2602                  <li class="indline1">303 See Other (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.303.1">4</a>, <a class="iref" href="#rfc.xref.status.303.2">8.3.3</a>, <a class="iref" href="#rfc.iref.37"><b>8.3.4</b></a>, <a class="iref" href="#rfc.xref.status.303.3">10.2</a></li>
    26332603                  <li class="indline1">304 Not Modified (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.38"><b>8.3.5</b></a></li>
    2634                   <li class="indline1">305 Use Proxy (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.305.1">4</a>, <a class="iref" href="#rfc.iref.39"><b>8.3.6</b></a>, <a class="iref" href="#rfc.xref.status.305.2">10.2</a>, <a class="iref" href="#rfc.xref.status.305.3">A.2</a></li>
     2604                  <li class="indline1">305 Use Proxy (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.305.1">4</a>, <a class="iref" href="#rfc.iref.39"><b>8.3.6</b></a>, <a class="iref" href="#rfc.xref.status.305.2">10.2</a>, <a class="iref" href="#rfc.xref.status.305.3">A</a></li>
    26352605                  <li class="indline1">306 (Unused) (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.40"><b>8.3.7</b></a>, <a class="iref" href="#rfc.xref.status.306.1">10.2</a></li>
    2636                   <li class="indline1">307 Temporary Redirect (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.307.1">4</a>, <a class="iref" href="#rfc.xref.status.307.2">8.3.3</a>, <a class="iref" href="#rfc.iref.41"><b>8.3.8</b></a>, <a class="iref" href="#rfc.xref.status.307.3">10.2</a>, <a class="iref" href="#rfc.xref.status.307.4">A.1</a>, <a class="iref" href="#rfc.xref.status.307.5">A.2</a></li>
     2606                  <li class="indline1">307 Temporary Redirect (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.307.1">4</a>, <a class="iref" href="#rfc.xref.status.307.2">8.3.3</a>, <a class="iref" href="#rfc.iref.41"><b>8.3.8</b></a>, <a class="iref" href="#rfc.xref.status.307.3">10.2</a>, <a class="iref" href="#rfc.xref.status.307.4">A</a></li>
    26372607               </ul>
    26382608            </li>
     
    26412611                  <li class="indline1">401 Unauthorized (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.43"><b>8.4.2</b></a></li>
    26422612                  <li class="indline1">402 Payment Required (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.402.1">4</a>, <a class="iref" href="#rfc.iref.44"><b>8.4.3</b></a>, <a class="iref" href="#rfc.xref.status.402.2">10.2</a></li>
    2643                   <li class="indline1">403 Forbidden (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.403.1">4</a>, <a class="iref" href="#rfc.iref.45"><b>8.4.4</b></a>, <a class="iref" href="#rfc.xref.status.403.2">10.2</a>, <a class="iref" href="#rfc.xref.status.403.3">A.1</a></li>
    2644                   <li class="indline1">404 Not Found (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.404.1">4</a>, <a class="iref" href="#rfc.iref.46"><b>8.4.5</b></a>, <a class="iref" href="#rfc.xref.status.404.2">10.2</a>, <a class="iref" href="#rfc.xref.status.404.3">A.1</a></li>
     2613                  <li class="indline1">403 Forbidden (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.403.1">4</a>, <a class="iref" href="#rfc.iref.45"><b>8.4.4</b></a>, <a class="iref" href="#rfc.xref.status.403.2">10.2</a></li>
     2614                  <li class="indline1">404 Not Found (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.404.1">4</a>, <a class="iref" href="#rfc.iref.46"><b>8.4.5</b></a>, <a class="iref" href="#rfc.xref.status.404.2">10.2</a></li>
    26452615                  <li class="indline1">405 Method Not Allowed (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.405.1">4</a>, <a class="iref" href="#rfc.iref.47"><b>8.4.6</b></a>, <a class="iref" href="#rfc.xref.status.405.2">10.2</a></li>
    26462616                  <li class="indline1">406 Not Acceptable (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.406.1">4</a>, <a class="iref" href="#rfc.iref.48"><b>8.4.7</b></a>, <a class="iref" href="#rfc.xref.status.406.2">10.2</a></li>
     
    26482618                  <li class="indline1">408 Request Timeout (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.408.1">4</a>, <a class="iref" href="#rfc.iref.50"><b>8.4.9</b></a>, <a class="iref" href="#rfc.xref.status.408.2">10.2</a></li>
    26492619                  <li class="indline1">409 Conflict (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.409.1">4</a>, <a class="iref" href="#rfc.iref.51"><b>8.4.10</b></a>, <a class="iref" href="#rfc.xref.status.409.2">10.2</a></li>
    2650                   <li class="indline1">410 Gone (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.410.1">4</a>, <a class="iref" href="#rfc.iref.52"><b>8.4.11</b></a>, <a class="iref" href="#rfc.xref.status.410.2">10.2</a>, <a class="iref" href="#rfc.xref.status.410.3">A.1</a></li>
     2620                  <li class="indline1">410 Gone (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.410.1">4</a>, <a class="iref" href="#rfc.iref.52"><b>8.4.11</b></a>, <a class="iref" href="#rfc.xref.status.410.2">10.2</a></li>
    26512621                  <li class="indline1">411 Length Required (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.411.1">4</a>, <a class="iref" href="#rfc.iref.53"><b>8.4.12</b></a>, <a class="iref" href="#rfc.xref.status.411.2">10.2</a></li>
    26522622                  <li class="indline1">412 Precondition Failed (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.54"><b>8.4.13</b></a></li>
     
    26632633                  <li class="indline1">502 Bad Gateway (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.502.1">4</a>, <a class="iref" href="#rfc.iref.62"><b>8.5.3</b></a>, <a class="iref" href="#rfc.xref.status.502.2">10.2</a></li>
    26642634                  <li class="indline1">503 Service Unavailable (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.503.1">4</a>, <a class="iref" href="#rfc.iref.63"><b>8.5.4</b></a>, <a class="iref" href="#rfc.xref.status.503.2">10.2</a></li>
    2665                   <li class="indline1">504 Gateway Timeout (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.504.1">4</a>, <a class="iref" href="#rfc.iref.64"><b>8.5.5</b></a>, <a class="iref" href="#rfc.xref.status.504.2">10.2</a>, <a class="iref" href="#rfc.xref.status.504.3">A.1</a></li>
     2635                  <li class="indline1">504 Gateway Timeout (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.504.1">4</a>, <a class="iref" href="#rfc.iref.64"><b>8.5.5</b></a>, <a class="iref" href="#rfc.xref.status.504.2">10.2</a></li>
    26662636                  <li class="indline1">505 HTTP Version Not Supported (status code)&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.505.1">4</a>, <a class="iref" href="#rfc.iref.65"><b>8.5.6</b></a>, <a class="iref" href="#rfc.xref.status.505.2">10.2</a></li>
    26672637               </ul>
    26682638            </li>
    26692639            <li class="indline0"><a id="rfc.index.A" href="#rfc.index.A"><b>A</b></a><ul class="ind">
    2670                   <li class="indline1">Allow header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.allow.1">2</a>, <a class="iref" href="#rfc.xref.header.allow.2">5</a>, <a class="iref" href="#rfc.iref.a.1"><b>9.1</b></a>, <a class="iref" href="#rfc.xref.header.allow.3">10.3</a>, <a class="iref" href="#rfc.xref.header.allow.4">A.2</a></li>
     2640                  <li class="indline1">Allow header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.allow.1">2</a>, <a class="iref" href="#rfc.xref.header.allow.2">5</a>, <a class="iref" href="#rfc.iref.a.1"><b>9.1</b></a>, <a class="iref" href="#rfc.xref.header.allow.3">10.3</a>, <a class="iref" href="#rfc.xref.header.allow.4">A</a></li>
    26712641               </ul>
    26722642            </li>
     
    27282698                  <li class="indline1">Headers&nbsp;&nbsp;
    27292699                     <ul class="ind">
    2730                         <li class="indline1">Allow&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.allow.1">2</a>, <a class="iref" href="#rfc.xref.header.allow.2">5</a>, <a class="iref" href="#rfc.iref.h.2"><b>9.1</b></a>, <a class="iref" href="#rfc.xref.header.allow.3">10.3</a>, <a class="iref" href="#rfc.xref.header.allow.4">A.2</a></li>
     2700                        <li class="indline1">Allow&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.allow.1">2</a>, <a class="iref" href="#rfc.xref.header.allow.2">5</a>, <a class="iref" href="#rfc.iref.h.2"><b>9.1</b></a>, <a class="iref" href="#rfc.xref.header.allow.3">10.3</a>, <a class="iref" href="#rfc.xref.header.allow.4">A</a></li>
    27312701                        <li class="indline1">Expect&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.expect.1">3</a>, <a class="iref" href="#rfc.xref.header.expect.2">8.4.18</a>, <a class="iref" href="#rfc.iref.h.3"><b>9.2</b></a>, <a class="iref" href="#rfc.xref.header.expect.3">10.3</a></li>
    27322702                        <li class="indline1">From&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.from.1">3</a>, <a class="iref" href="#rfc.iref.h.4"><b>9.3</b></a>, <a class="iref" href="#rfc.xref.header.from.2">10.3</a></li>
    2733                         <li class="indline1">Location&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.location.1">5</a>, <a class="iref" href="#rfc.xref.header.location.2">7.5</a>, <a class="iref" href="#rfc.iref.h.5"><b>9.4</b></a>, <a class="iref" href="#rfc.xref.header.location.3">10.3</a>, <a class="iref" href="#rfc.xref.header.location.4">A.2</a></li>
     2703                        <li class="indline1">Location&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.location.1">5</a>, <a class="iref" href="#rfc.xref.header.location.2">7.5</a>, <a class="iref" href="#rfc.iref.h.5"><b>9.4</b></a>, <a class="iref" href="#rfc.xref.header.location.3">10.3</a>, <a class="iref" href="#rfc.xref.header.location.4">A</a></li>
    27342704                        <li class="indline1">Max-Forwards&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.max-forwards.1">3</a>, <a class="iref" href="#rfc.xref.header.max-forwards.2">7.2</a>, <a class="iref" href="#rfc.xref.header.max-forwards.3">7.8</a>, <a class="iref" href="#rfc.iref.h.6"><b>9.5</b></a>, <a class="iref" href="#rfc.xref.header.max-forwards.4">10.3</a></li>
    2735                         <li class="indline1">Referer&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.referer.1">3</a>, <a class="iref" href="#rfc.iref.h.7"><b>9.6</b></a>, <a class="iref" href="#rfc.xref.header.referer.2">10.3</a>, <a class="iref" href="#rfc.xref.header.referer.3">A.2</a></li>
     2705                        <li class="indline1">Referer&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.referer.1">3</a>, <a class="iref" href="#rfc.iref.h.7"><b>9.6</b></a>, <a class="iref" href="#rfc.xref.header.referer.2">10.3</a>, <a class="iref" href="#rfc.xref.header.referer.3">A</a></li>
    27362706                        <li class="indline1">Retry-After&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.retry-after.1">5</a>, <a class="iref" href="#rfc.iref.h.8"><b>9.7</b></a>, <a class="iref" href="#rfc.xref.header.retry-after.2">10.3</a></li>
    2737                         <li class="indline1">Server&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.server.1">5</a>, <a class="iref" href="#rfc.iref.h.9"><b>9.8</b></a>, <a class="iref" href="#rfc.xref.header.server.2">10.3</a>, <a class="iref" href="#rfc.xref.header.server.3">11.1</a>, <a class="iref" href="#rfc.xref.header.server.4">A.2</a></li>
     2707                        <li class="indline1">Server&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.server.1">5</a>, <a class="iref" href="#rfc.iref.h.9"><b>9.8</b></a>, <a class="iref" href="#rfc.xref.header.server.2">10.3</a>, <a class="iref" href="#rfc.xref.header.server.3">11.1</a>, <a class="iref" href="#rfc.xref.header.server.4">A</a></li>
    27382708                        <li class="indline1">User-Agent&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.user-agent.1">3</a>, <a class="iref" href="#rfc.iref.h.10"><b>9.9</b></a>, <a class="iref" href="#rfc.xref.header.user-agent.2">10.3</a>, <a class="iref" href="#rfc.xref.header.user-agent.3">11.1</a></li>
    27392709                     </ul>
     
    27462716            </li>
    27472717            <li class="indline0"><a id="rfc.index.L" href="#rfc.index.L"><b>L</b></a><ul class="ind">
    2748                   <li class="indline1">LINK method&nbsp;&nbsp;<a class="iref" href="#rfc.iref.l.2"><b>A.1</b></a></li>
    2749                   <li class="indline1">Location header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.location.1">5</a>, <a class="iref" href="#rfc.xref.header.location.2">7.5</a>, <a class="iref" href="#rfc.iref.l.1"><b>9.4</b></a>, <a class="iref" href="#rfc.xref.header.location.3">10.3</a>, <a class="iref" href="#rfc.xref.header.location.4">A.2</a></li>
     2718                  <li class="indline1">Location header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.location.1">5</a>, <a class="iref" href="#rfc.xref.header.location.2">7.5</a>, <a class="iref" href="#rfc.iref.l.1"><b>9.4</b></a>, <a class="iref" href="#rfc.xref.header.location.3">10.3</a>, <a class="iref" href="#rfc.xref.header.location.4">A</a></li>
    27502719               </ul>
    27512720            </li>
     
    27582727                        <li class="indline1">GET&nbsp;&nbsp;<a class="iref" href="#rfc.xref.GET.1">2</a>, <a class="iref" href="#rfc.iref.m.2"><b>7.3</b></a>, <a class="iref" href="#rfc.xref.GET.2">10.1</a></li>
    27592728                        <li class="indline1">HEAD&nbsp;&nbsp;<a class="iref" href="#rfc.xref.HEAD.1">2</a>, <a class="iref" href="#rfc.iref.m.3"><b>7.4</b></a>, <a class="iref" href="#rfc.xref.HEAD.2">10.1</a></li>
    2760                         <li class="indline1">LINK&nbsp;&nbsp;<a class="iref" href="#rfc.iref.m.11"><b>A.1</b></a></li>
    27612729                        <li class="indline1">OPTIONS&nbsp;&nbsp;<a class="iref" href="#rfc.xref.OPTIONS.1">2</a>, <a class="iref" href="#rfc.iref.m.1"><b>7.2</b></a>, <a class="iref" href="#rfc.xref.OPTIONS.2">9.5</a>, <a class="iref" href="#rfc.xref.OPTIONS.3">10.1</a></li>
    2762                         <li class="indline1">PATCH&nbsp;&nbsp;<a class="iref" href="#rfc.iref.m.10"><b>A.1</b></a></li>
    2763                         <li class="indline1">POST&nbsp;&nbsp;<a class="iref" href="#rfc.xref.POST.1">2</a>, <a class="iref" href="#rfc.iref.m.4"><b>7.5</b></a>, <a class="iref" href="#rfc.xref.POST.2">10.1</a>, <a class="iref" href="#rfc.xref.POST.3">A.2</a></li>
     2730                        <li class="indline1">POST&nbsp;&nbsp;<a class="iref" href="#rfc.xref.POST.1">2</a>, <a class="iref" href="#rfc.iref.m.4"><b>7.5</b></a>, <a class="iref" href="#rfc.xref.POST.2">10.1</a>, <a class="iref" href="#rfc.xref.POST.3">A</a></li>
    27642731                        <li class="indline1">PUT&nbsp;&nbsp;<a class="iref" href="#rfc.xref.PUT.1">2</a>, <a class="iref" href="#rfc.iref.m.5"><b>7.6</b></a>, <a class="iref" href="#rfc.xref.PUT.2">10.1</a></li>
    27652732                        <li class="indline1">TRACE&nbsp;&nbsp;<a class="iref" href="#rfc.xref.TRACE.1">2</a>, <a class="iref" href="#rfc.iref.m.7"><b>7.8</b></a>, <a class="iref" href="#rfc.xref.TRACE.2">9.5</a>, <a class="iref" href="#rfc.xref.TRACE.3">10.1</a>, <a class="iref" href="#rfc.xref.TRACE.4">11.1</a></li>
    2766                         <li class="indline1">UNLINK&nbsp;&nbsp;<a class="iref" href="#rfc.iref.m.12"><b>A.1</b></a></li>
    27672733                     </ul>
    27682734                  </li>
     
    27742740            </li>
    27752741            <li class="indline0"><a id="rfc.index.P" href="#rfc.index.P"><b>P</b></a><ul class="ind">
    2776                   <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">3</a>, <a class="iref" href="#rfc.xref.Part1.19">3</a>, <a class="iref" href="#rfc.xref.Part1.20">5</a>, <a class="iref" href="#rfc.xref.Part1.21">6</a>, <a class="iref" href="#rfc.xref.Part1.22">6.1</a>, <a class="iref" href="#rfc.xref.Part1.23">7.8</a>, <a class="iref" href="#rfc.xref.Part1.24">7.8</a>, <a class="iref" href="#rfc.xref.Part1.25">8.1.1</a>, <a class="iref" href="#rfc.xref.Part1.26">8.1.2</a>, <a class="iref" href="#rfc.xref.Part1.27">8.5.6</a>, <a class="iref" href="#rfc.xref.Part1.28">9.2</a>, <a class="iref" href="#rfc.xref.Part1.29">9.8</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">9.9</a>, <a class="iref" href="#rfc.xref.Part1.33">9.9</a>, <a class="iref" href="#Part1"><b>13.1</b></a>, <a class="iref" href="#rfc.xref.Part1.34">A.2</a><ul class="ind">
     2742                  <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">3</a>, <a class="iref" href="#rfc.xref.Part1.19">3</a>, <a class="iref" href="#rfc.xref.Part1.20">5</a>, <a class="iref" href="#rfc.xref.Part1.21">6</a>, <a class="iref" href="#rfc.xref.Part1.22">6.1</a>, <a class="iref" href="#rfc.xref.Part1.23">7.8</a>, <a class="iref" href="#rfc.xref.Part1.24">7.8</a>, <a class="iref" href="#rfc.xref.Part1.25">8.1.1</a>, <a class="iref" href="#rfc.xref.Part1.26">8.1.2</a>, <a class="iref" href="#rfc.xref.Part1.27">8.5.6</a>, <a class="iref" href="#rfc.xref.Part1.28">9.2</a>, <a class="iref" href="#rfc.xref.Part1.29">9.8</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">9.9</a>, <a class="iref" href="#rfc.xref.Part1.33">9.9</a>, <a class="iref" href="#Part1"><b>13.1</b></a>, <a class="iref" href="#rfc.xref.Part1.34">A</a><ul class="ind">
    27772743                        <li class="indline1"><em>Section 1.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.2">1.2</a></li>
    27782744                        <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>
     
    27882754                        <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.Part1.19">3</a></li>
    27892755                        <li class="indline1"><em>Section 9.8</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.26">8.1.2</a></li>
    2790                         <li class="indline1"><em>Section 9.9</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.23">7.8</a>, <a class="iref" href="#rfc.xref.Part1.31">9.8</a>, <a class="iref" href="#rfc.xref.Part1.34">A.2</a></li>
     2756                        <li class="indline1"><em>Section 9.9</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.23">7.8</a>, <a class="iref" href="#rfc.xref.Part1.31">9.8</a>, <a class="iref" href="#rfc.xref.Part1.34">A</a></li>
    27912757                        <li class="indline1"><em>Section 10.3.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part1.24">7.8</a></li>
    27922758                     </ul>
    27932759                  </li>
    2794                   <li class="indline1"><em>Part3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.1">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.2">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.3">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.4">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.5">3</a>, <a class="iref" href="#rfc.xref.Part3.6">3</a>, <a class="iref" href="#rfc.xref.Part3.7">3</a>, <a class="iref" href="#rfc.xref.Part3.8">3</a>, <a class="iref" href="#rfc.xref.Part3.9">6</a>, <a class="iref" href="#rfc.xref.Part3.10">8.3.1</a>, <a class="iref" href="#rfc.xref.Part3.11">9.4</a>, <a class="iref" href="#Part3"><b>13.1</b></a><ul class="ind">
    2795                         <li class="indline1"><em>Section 4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.10">8.3.1</a></li>
     2760                  <li class="indline1"><em>Part3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.1">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.2">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.3">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.4">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.5">3</a>, <a class="iref" href="#rfc.xref.Part3.6">3</a>, <a class="iref" href="#rfc.xref.Part3.7">3</a>, <a class="iref" href="#rfc.xref.Part3.8">3</a>, <a class="iref" href="#rfc.xref.Part3.9">6</a>, <a class="iref" href="#rfc.xref.Part3.10">7.5</a>, <a class="iref" href="#rfc.xref.Part3.11">8.3.1</a>, <a class="iref" href="#rfc.xref.Part3.12">9.4</a>, <a class="iref" href="#Part3"><b>13.1</b></a><ul class="ind">
     2761                        <li class="indline1"><em>Section 4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.11">8.3.1</a></li>
    27962762                        <li class="indline1"><em>Section 5.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.1">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.5">3</a></li>
    27972763                        <li class="indline1"><em>Section 5.2</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.2">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.6">3</a></li>
    27982764                        <li class="indline1"><em>Section 5.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.3">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.7">3</a></li>
    27992765                        <li class="indline1"><em>Section 5.4</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.4">1.2.2</a>, <a class="iref" href="#rfc.xref.Part3.8">3</a></li>
    2800                         <li class="indline1"><em>Section 5.7</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.11">9.4</a></li>
     2766                        <li class="indline1"><em>Section 5.7</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.Part3.10">7.5</a>, <a class="iref" href="#rfc.xref.Part3.12">9.4</a></li>
    28012767                     </ul>
    28022768                  </li>
     
    28392805                     </ul>
    28402806                  </li>
    2841                   <li class="indline1">PATCH method&nbsp;&nbsp;<a class="iref" href="#rfc.iref.p.3"><b>A.1</b></a></li>
    2842                   <li class="indline1">POST method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.POST.1">2</a>, <a class="iref" href="#rfc.iref.p.1"><b>7.5</b></a>, <a class="iref" href="#rfc.xref.POST.2">10.1</a>, <a class="iref" href="#rfc.xref.POST.3">A.2</a></li>
     2807                  <li class="indline1">POST method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.POST.1">2</a>, <a class="iref" href="#rfc.iref.p.1"><b>7.5</b></a>, <a class="iref" href="#rfc.xref.POST.2">10.1</a>, <a class="iref" href="#rfc.xref.POST.3">A</a></li>
    28432808                  <li class="indline1">PUT method&nbsp;&nbsp;<a class="iref" href="#rfc.xref.PUT.1">2</a>, <a class="iref" href="#rfc.iref.p.2"><b>7.6</b></a>, <a class="iref" href="#rfc.xref.PUT.2">10.1</a></li>
    28442809               </ul>
    28452810            </li>
    28462811            <li class="indline0"><a id="rfc.index.R" href="#rfc.index.R"><b>R</b></a><ul class="ind">
    2847                   <li class="indline1">Referer header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.referer.1">3</a>, <a class="iref" href="#rfc.iref.r.1"><b>9.6</b></a>, <a class="iref" href="#rfc.xref.header.referer.2">10.3</a>, <a class="iref" href="#rfc.xref.header.referer.3">A.2</a></li>
     2812                  <li class="indline1">Referer header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.referer.1">3</a>, <a class="iref" href="#rfc.iref.r.1"><b>9.6</b></a>, <a class="iref" href="#rfc.xref.header.referer.2">10.3</a>, <a class="iref" href="#rfc.xref.header.referer.3">A</a></li>
    28482813                  <li class="indline1">Retry-After header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.retry-after.1">5</a>, <a class="iref" href="#rfc.iref.r.2"><b>9.7</b></a>, <a class="iref" href="#rfc.xref.header.retry-after.2">10.3</a></li>
    28492814                  <li class="indline1"><em>RFC1945</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC1945.1">8.3.3</a>, <a class="iref" href="#RFC1945"><b>13.2</b></a><ul class="ind">
     
    28512816                     </ul>
    28522817                  </li>
    2853                   <li class="indline1"><em>RFC2068</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2068.1">8.3</a>, <a class="iref" href="#rfc.xref.RFC2068.2">8.3.3</a>, <a class="iref" href="#RFC2068"><b>13.2</b></a>, <a class="iref" href="#rfc.xref.RFC2068.3">A.1</a><ul class="ind">
     2818                  <li class="indline1"><em>RFC2068</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2068.1">8.3</a>, <a class="iref" href="#rfc.xref.RFC2068.2">8.3.3</a>, <a class="iref" href="#RFC2068"><b>13.2</b></a><ul class="ind">
    28542819                        <li class="indline1"><em>Section 10.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2068.1">8.3</a></li>
    28552820                        <li class="indline1"><em>Section 10.3.3</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2068.2">8.3.3</a></li>
    2856                         <li class="indline1"><em>Section 19.6.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2068.3">A.1</a></li>
    28572821                     </ul>
    28582822                  </li>
     
    28622826                     </ul>
    28632827                  </li>
    2864                   <li class="indline1"><em>RFC2817</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2817.1">7.9</a>, <a class="iref" href="#rfc.xref.RFC2817.2">10.2</a>, <a class="iref" href="#RFC2817"><b>13.2</b></a>, <a class="iref" href="#rfc.xref.RFC2817.3">A.2</a><ul class="ind">
    2865                         <li class="indline1"><em>Section 7.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2817.2">10.2</a>, <a class="iref" href="#rfc.xref.RFC2817.3">A.2</a></li>
     2828                  <li class="indline1"><em>RFC2817</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2817.1">7.9</a>, <a class="iref" href="#rfc.xref.RFC2817.2">10.2</a>, <a class="iref" href="#RFC2817"><b>13.2</b></a>, <a class="iref" href="#rfc.xref.RFC2817.3">A</a><ul class="ind">
     2829                        <li class="indline1"><em>Section 7.1</em>&nbsp;&nbsp;<a class="iref" href="#rfc.xref.RFC2817.2">10.2</a>, <a class="iref" href="#rfc.xref.RFC2817.3">A</a></li>
    28662830                     </ul>
    28672831                  </li>
     
    28882852            <li class="indline0"><a id="rfc.index.S" href="#rfc.index.S"><b>S</b></a><ul class="ind">
    28892853                  <li class="indline1">Safe Methods&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.1"><b>7.1.1</b></a></li>
    2890                   <li class="indline1">Server header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.server.1">5</a>, <a class="iref" href="#rfc.iref.s.43"><b>9.8</b></a>, <a class="iref" href="#rfc.xref.header.server.2">10.3</a>, <a class="iref" href="#rfc.xref.header.server.3">11.1</a>, <a class="iref" href="#rfc.xref.header.server.4">A.2</a></li>
     2854                  <li class="indline1">Server header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.server.1">5</a>, <a class="iref" href="#rfc.iref.s.43"><b>9.8</b></a>, <a class="iref" href="#rfc.xref.header.server.2">10.3</a>, <a class="iref" href="#rfc.xref.header.server.3">11.1</a>, <a class="iref" href="#rfc.xref.header.server.4">A</a></li>
    28912855                  <li class="indline1">Status Codes&nbsp;&nbsp;
    28922856                     <ul class="ind">
     
    28942858                        <li class="indline1">101 Switching Protocols&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.101.1">4</a>, <a class="iref" href="#rfc.iref.s.3"><b>8.1.2</b></a>, <a class="iref" href="#rfc.xref.status.101.2">10.2</a></li>
    28952859                        <li class="indline1">200 OK&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.200.1">4</a>, <a class="iref" href="#rfc.iref.s.4"><b>8.2.1</b></a>, <a class="iref" href="#rfc.xref.status.200.2">10.2</a></li>
    2896                         <li class="indline1">201 Created&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.201.1">4</a>, <a class="iref" href="#rfc.iref.s.5"><b>8.2.2</b></a>, <a class="iref" href="#rfc.xref.status.201.2">10.2</a>, <a class="iref" href="#rfc.xref.status.201.3">A.1</a></li>
     2860                        <li class="indline1">201 Created&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.201.1">4</a>, <a class="iref" href="#rfc.iref.s.5"><b>8.2.2</b></a>, <a class="iref" href="#rfc.xref.status.201.2">10.2</a></li>
    28972861                        <li class="indline1">202 Accepted&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.202.1">4</a>, <a class="iref" href="#rfc.iref.s.6"><b>8.2.3</b></a>, <a class="iref" href="#rfc.xref.status.202.2">10.2</a></li>
    28982862                        <li class="indline1">203 Non-Authoritative Information&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.203.1">4</a>, <a class="iref" href="#rfc.iref.s.7"><b>8.2.4</b></a>, <a class="iref" href="#rfc.xref.status.203.2">10.2</a></li>
     
    29012865                        <li class="indline1">206 Partial Content&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.10"><b>8.2.7</b></a></li>
    29022866                        <li class="indline1">300 Multiple Choices&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.300.1">4</a>, <a class="iref" href="#rfc.iref.s.11"><b>8.3.1</b></a>, <a class="iref" href="#rfc.xref.status.300.2">10.2</a></li>
    2903                         <li class="indline1">301 Moved Permanently&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.301.1">4</a>, <a class="iref" href="#rfc.iref.s.12"><b>8.3.2</b></a>, <a class="iref" href="#rfc.xref.status.301.2">10.2</a>, <a class="iref" href="#rfc.xref.status.301.3">A.2</a></li>
    2904                         <li class="indline1">302 Found&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.302.1">4</a>, <a class="iref" href="#rfc.iref.s.13"><b>8.3.3</b></a>, <a class="iref" href="#rfc.xref.status.302.2">10.2</a>, <a class="iref" href="#rfc.xref.status.302.3">A.2</a></li>
    2905                         <li class="indline1">303 See Other&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.303.1">4</a>, <a class="iref" href="#rfc.xref.status.303.2">8.3.3</a>, <a class="iref" href="#rfc.iref.s.14"><b>8.3.4</b></a>, <a class="iref" href="#rfc.xref.status.303.3">10.2</a>, <a class="iref" href="#rfc.xref.status.303.4">A.1</a></li>
     2867                        <li class="indline1">301 Moved Permanently&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.301.1">4</a>, <a class="iref" href="#rfc.iref.s.12"><b>8.3.2</b></a>, <a class="iref" href="#rfc.xref.status.301.2">10.2</a>, <a class="iref" href="#rfc.xref.status.301.3">A</a></li>
     2868                        <li class="indline1">302 Found&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.302.1">4</a>, <a class="iref" href="#rfc.iref.s.13"><b>8.3.3</b></a>, <a class="iref" href="#rfc.xref.status.302.2">10.2</a>, <a class="iref" href="#rfc.xref.status.302.3">A</a></li>
     2869                        <li class="indline1">303 See Other&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.303.1">4</a>, <a class="iref" href="#rfc.xref.status.303.2">8.3.3</a>, <a class="iref" href="#rfc.iref.s.14"><b>8.3.4</b></a>, <a class="iref" href="#rfc.xref.status.303.3">10.2</a></li>
    29062870                        <li class="indline1">304 Not Modified&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.15"><b>8.3.5</b></a></li>
    2907                         <li class="indline1">305 Use Proxy&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.305.1">4</a>, <a class="iref" href="#rfc.iref.s.16"><b>8.3.6</b></a>, <a class="iref" href="#rfc.xref.status.305.2">10.2</a>, <a class="iref" href="#rfc.xref.status.305.3">A.2</a></li>
     2871                        <li class="indline1">305 Use Proxy&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.305.1">4</a>, <a class="iref" href="#rfc.iref.s.16"><b>8.3.6</b></a>, <a class="iref" href="#rfc.xref.status.305.2">10.2</a>, <a class="iref" href="#rfc.xref.status.305.3">A</a></li>
    29082872                        <li class="indline1">306 (Unused)&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.17"><b>8.3.7</b></a>, <a class="iref" href="#rfc.xref.status.306.1">10.2</a></li>
    2909                         <li class="indline1">307 Temporary Redirect&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.307.1">4</a>, <a class="iref" href="#rfc.xref.status.307.2">8.3.3</a>, <a class="iref" href="#rfc.iref.s.18"><b>8.3.8</b></a>, <a class="iref" href="#rfc.xref.status.307.3">10.2</a>, <a class="iref" href="#rfc.xref.status.307.4">A.1</a>, <a class="iref" href="#rfc.xref.status.307.5">A.2</a></li>
     2873                        <li class="indline1">307 Temporary Redirect&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.307.1">4</a>, <a class="iref" href="#rfc.xref.status.307.2">8.3.3</a>, <a class="iref" href="#rfc.iref.s.18"><b>8.3.8</b></a>, <a class="iref" href="#rfc.xref.status.307.3">10.2</a>, <a class="iref" href="#rfc.xref.status.307.4">A</a></li>
    29102874                        <li class="indline1">400 Bad Request&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.400.1">4</a>, <a class="iref" href="#rfc.iref.s.19"><b>8.4.1</b></a>, <a class="iref" href="#rfc.xref.status.400.2">10.2</a></li>
    29112875                        <li class="indline1">401 Unauthorized&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.20"><b>8.4.2</b></a></li>
    29122876                        <li class="indline1">402 Payment Required&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.402.1">4</a>, <a class="iref" href="#rfc.iref.s.21"><b>8.4.3</b></a>, <a class="iref" href="#rfc.xref.status.402.2">10.2</a></li>
    2913                         <li class="indline1">403 Forbidden&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.403.1">4</a>, <a class="iref" href="#rfc.iref.s.22"><b>8.4.4</b></a>, <a class="iref" href="#rfc.xref.status.403.2">10.2</a>, <a class="iref" href="#rfc.xref.status.403.3">A.1</a></li>
    2914                         <li class="indline1">404 Not Found&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.404.1">4</a>, <a class="iref" href="#rfc.iref.s.23"><b>8.4.5</b></a>, <a class="iref" href="#rfc.xref.status.404.2">10.2</a>, <a class="iref" href="#rfc.xref.status.404.3">A.1</a></li>
     2877                        <li class="indline1">403 Forbidden&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.403.1">4</a>, <a class="iref" href="#rfc.iref.s.22"><b>8.4.4</b></a>, <a class="iref" href="#rfc.xref.status.403.2">10.2</a></li>
     2878                        <li class="indline1">404 Not Found&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.404.1">4</a>, <a class="iref" href="#rfc.iref.s.23"><b>8.4.5</b></a>, <a class="iref" href="#rfc.xref.status.404.2">10.2</a></li>
    29152879                        <li class="indline1">405 Method Not Allowed&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.405.1">4</a>, <a class="iref" href="#rfc.iref.s.24"><b>8.4.6</b></a>, <a class="iref" href="#rfc.xref.status.405.2">10.2</a></li>
    29162880                        <li class="indline1">406 Not Acceptable&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.406.1">4</a>, <a class="iref" href="#rfc.iref.s.25"><b>8.4.7</b></a>, <a class="iref" href="#rfc.xref.status.406.2">10.2</a></li>
     
    29182882                        <li class="indline1">408 Request Timeout&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.408.1">4</a>, <a class="iref" href="#rfc.iref.s.27"><b>8.4.9</b></a>, <a class="iref" href="#rfc.xref.status.408.2">10.2</a></li>
    29192883                        <li class="indline1">409 Conflict&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.409.1">4</a>, <a class="iref" href="#rfc.iref.s.28"><b>8.4.10</b></a>, <a class="iref" href="#rfc.xref.status.409.2">10.2</a></li>
    2920                         <li class="indline1">410 Gone&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.410.1">4</a>, <a class="iref" href="#rfc.iref.s.29"><b>8.4.11</b></a>, <a class="iref" href="#rfc.xref.status.410.2">10.2</a>, <a class="iref" href="#rfc.xref.status.410.3">A.1</a></li>
     2884                        <li class="indline1">410 Gone&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.410.1">4</a>, <a class="iref" href="#rfc.iref.s.29"><b>8.4.11</b></a>, <a class="iref" href="#rfc.xref.status.410.2">10.2</a></li>
    29212885                        <li class="indline1">411 Length Required&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.411.1">4</a>, <a class="iref" href="#rfc.iref.s.30"><b>8.4.12</b></a>, <a class="iref" href="#rfc.xref.status.411.2">10.2</a></li>
    29222886                        <li class="indline1">412 Precondition Failed&nbsp;&nbsp;<a class="iref" href="#rfc.iref.s.31"><b>8.4.13</b></a></li>
     
    29302894                        <li class="indline1">502 Bad Gateway&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.502.1">4</a>, <a class="iref" href="#rfc.iref.s.39"><b>8.5.3</b></a>, <a class="iref" href="#rfc.xref.status.502.2">10.2</a></li>
    29312895                        <li class="indline1">503 Service Unavailable&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.503.1">4</a>, <a class="iref" href="#rfc.iref.s.40"><b>8.5.4</b></a>, <a class="iref" href="#rfc.xref.status.503.2">10.2</a></li>
    2932                         <li class="indline1">504 Gateway Timeout&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.504.1">4</a>, <a class="iref" href="#rfc.iref.s.41"><b>8.5.5</b></a>, <a class="iref" href="#rfc.xref.status.504.2">10.2</a>, <a class="iref" href="#rfc.xref.status.504.3">A.1</a></li>
     2896                        <li class="indline1">504 Gateway Timeout&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.504.1">4</a>, <a class="iref" href="#rfc.iref.s.41"><b>8.5.5</b></a>, <a class="iref" href="#rfc.xref.status.504.2">10.2</a></li>
    29332897                        <li class="indline1">505 HTTP Version Not Supported&nbsp;&nbsp;<a class="iref" href="#rfc.xref.status.505.1">4</a>, <a class="iref" href="#rfc.iref.s.42"><b>8.5.6</b></a>, <a class="iref" href="#rfc.xref.status.505.2">10.2</a></li>
    29342898                     </ul>
     
    29412905            </li>
    29422906            <li class="indline0"><a id="rfc.index.U" href="#rfc.index.U"><b>U</b></a><ul class="ind">
    2943                   <li class="indline1">UNLINK method&nbsp;&nbsp;<a class="iref" href="#rfc.iref.u.2"><b>A.1</b></a></li>
    29442907                  <li class="indline1">User-Agent header&nbsp;&nbsp;<a class="iref" href="#rfc.xref.header.user-agent.1">3</a>, <a class="iref" href="#rfc.iref.u.1"><b>9.9</b></a>, <a class="iref" href="#rfc.xref.header.user-agent.2">10.3</a>, <a class="iref" href="#rfc.xref.header.user-agent.3">11.1</a></li>
    29452908               </ul>
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