Changeset 2318 for draft-ietf-httpbis/latest/p2-semantics.html
- Timestamp:
- 28/07/13 10:28:18 (10 years ago)
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draft-ietf-httpbis/latest/p2-semantics.html
r2317 r2318 1410 1410 <h3 id="rfc.section.4.3.2"><a href="#rfc.section.4.3.2">4.3.2</a> <a id="HEAD" href="#HEAD">HEAD</a></h3> 1411 1411 <div id="rfc.iref.h.1"></div> 1412 <p id="rfc.section.4.3.2.p.1">The HEAD method is identical to GET except that the server <em class="bcp14">MUST NOT</em> send a message body in the response (i.e., the response terminates at the end of the header block). Aside from the payload 1413 header fields (<a href="#payload" title="Payload Semantics">Section 3.3</a>), the server <em class="bcp14">SHOULD</em> send the same header fields in response to a HEAD request as it would have sent if the request had been a GET. This method 1414 can be used for obtaining metadata about the selected representation without transferring the representation data. This method 1415 is often used for testing hypertext links for validity, accessibility, and recent modification. 1412 <p id="rfc.section.4.3.2.p.1">The HEAD method is identical to GET except that the server <em class="bcp14">MUST NOT</em> send a message body in the response (i.e., the response terminates at the end of the header block). The server <em class="bcp14">SHOULD</em> send the same header fields in response to a HEAD request as it would have sent if the request had been a GET, except that 1413 the payload header fields (<a href="#payload" title="Payload Semantics">Section 3.3</a>) <em class="bcp14">MAY</em> be omitted. This method can be used for obtaining metadata about the selected representation without transferring the representation 1414 data and is often used for testing hypertext links for validity, accessibility, and recent modification. 1416 1415 </p> 1417 1416 <p id="rfc.section.4.3.2.p.2">A payload within a HEAD request message has no defined semantics; sending a payload body on a HEAD request might cause some … … 4526 4525 <ul> 4527 4526 <li><<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/303">http://tools.ietf.org/wg/httpbis/trac/ticket/303</a>>: "400 response isn't generic" 4527 </li> 4528 <li><<a href="http://tools.ietf.org/wg/httpbis/trac/ticket/451">http://tools.ietf.org/wg/httpbis/trac/ticket/451</a>>: "Content-Length in HEAD responses" 4528 4529 </li> 4529 4530 </ul>
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