Changeset 1911

Timestamp:

22/09/12 07:33:58 (11 years ago)

Author:

fielding@…

Message:

Further to [1908], require that a Content-Length accurately reflect the
size of "what would have been" the payload body if it is sent in a
HEAD response or 304 response.

Location:

draft-ietf-httpbis/latest

Files:

• p1-messaging.html (modified) (5 diffs)
• p1-messaging.xml (modified) (1 diff)

draft-ietf-httpbis/latest/p1-messaging.html

@@ -449 +449 @@
   } 
   @bottom-center {
-       content: "Expires March 25, 2013"; 
+       content: "Expires March 26, 2013"; 
   } 
   @bottom-right {
@@ -492 +492 @@
       <meta name="dct.creator" content="Reschke, J. F.">
       <meta name="dct.identifier" content="urn:ietf:id:draft-ietf-httpbis-p1-messaging-latest">
-      <meta name="dct.issued" scheme="ISO8601" content="2012-09-21">
+      <meta name="dct.issued" scheme="ISO8601" content="2012-09-22">
       <meta name="dct.replaces" content="urn:ietf:rfc:2145">
       <meta name="dct.replaces" content="urn:ietf:rfc:2616">
@@ -524 +524 @@
             </tr>
             <tr>
-               <td class="left">Expires: March 25, 2013</td>
+               <td class="left">Expires: March 26, 2013</td>
                <td class="right">greenbytes</td>
             </tr>
             <tr>
                <td class="left"></td>
-               <td class="right">September 21, 2012</td>
+               <td class="right">September 22, 2012</td>
             </tr>
          </tbody>
@@ -556 +556 @@
          in progress”.
       </p>
-      <p>This Internet-Draft will expire on March 25, 2013.</p>
+      <p>This Internet-Draft will expire on March 26, 2013.</p>
       <h1><a id="rfc.copyrightnotice" href="#rfc.copyrightnotice">Copyright Notice</a></h1>
       <p>Copyright © 2012 IETF Trust and the persons identified as the document authors. All rights reserved.</p>
@@ -1403 +1403 @@
 </pre><p id="rfc.section.3.3.2.p.5">A sender <em class="bcp14">MUST NOT</em> send a Content-Length header field in any message that contains a <a href="#header.transfer-encoding" class="smpl">Transfer-Encoding</a> header field.
       </p>
-      <p id="rfc.section.3.3.2.p.6">A server <em class="bcp14">MAY</em> send a Content-Length header field in a response to a HEAD request (<a href="p2-semantics.html#HEAD" title="HEAD">Section 4.3.2</a> of <a href="#Part2" id="rfc.xref.Part2.14"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>) in order to indicate the size of the payload body, excluding any potential transfer-coding, that would have been sent had
-         the same request been a GET.
-      </p>
-      <p id="rfc.section.3.3.2.p.7">A server <em class="bcp14">MAY</em> send a Content-Length header field in a <a href="p4-conditional.html#status.304" class="smpl">304 (Not Modified)</a> response to a conditional GET request (<a href="p4-conditional.html#status.304" title="304 Not Modified">Section 4.1</a> of <a href="#Part4" id="rfc.xref.Part4.3"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests">[Part4]</cite></a>) in order to indicate the size of the payload body, excluding any potential transfer-coding, that would have been sent in
-         a <a href="p2-semantics.html#status.200" class="smpl">200 (OK)</a> response.
+      <p id="rfc.section.3.3.2.p.6">A server <em class="bcp14">MAY</em> send a Content-Length header field in a response to a HEAD request (<a href="p2-semantics.html#HEAD" title="HEAD">Section 4.3.2</a> of <a href="#Part2" id="rfc.xref.Part2.14"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>); a server <em class="bcp14">MUST NOT</em> send Content-Length in such a response unless its field-value equals the decimal number of octets that would have been sent
+         in the payload body of a response if the same request had used the GET method.
+      </p>
+      <p id="rfc.section.3.3.2.p.7">A server <em class="bcp14">MAY</em> send a Content-Length header field in a <a href="p4-conditional.html#status.304" class="smpl">304 (Not Modified)</a> response to a conditional GET request (<a href="p4-conditional.html#status.304" title="304 Not Modified">Section 4.1</a> of <a href="#Part4" id="rfc.xref.Part4.3"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests">[Part4]</cite></a>); a server <em class="bcp14">MUST NOT</em> send Content-Length in such a response unless its field-value equals the decimal number of octets that would have been sent
+         in the payload body of a <a href="p2-semantics.html#status.200" class="smpl">200 (OK)</a> response to the same request.
       </p>
       <p id="rfc.section.3.3.2.p.8">A server <em class="bcp14">MUST NOT</em> send a Content-Length header field in any response with a status code of <a href="p2-semantics.html#status.1xx" class="smpl">1xx (Informational)</a> or <a href="p2-semantics.html#status.204" class="smpl">204 (No Content)</a>. A server <em class="bcp14">SHOULD NOT</em> send a Content-Length header field in any <a href="p2-semantics.html#status.2xx" class="smpl">2xx (Successful)</a> response to a CONNECT request (<a href="p2-semantics.html#CONNECT" title="CONNECT">Section 4.3.6</a> of <a href="#Part2" id="rfc.xref.Part2.15"><cite title="Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content">[Part2]</cite></a>).

draft-ietf-httpbis/latest/p1-messaging.xml

@@ -1586 +1586 @@
 <t>
    A server &MAY; send a Content-Length header field in a response to a HEAD
-   request (&HEAD;) in order to indicate the size of the payload body,
-   excluding any potential transfer-coding, that would have been sent had the
-   same request been a GET.
+   request (&HEAD;); a server &MUST-NOT; send Content-Length in such a
+   response unless its field-value equals the decimal number of octets that
+   would have been sent in the payload body of a response if the same
+   request had used the GET method.
 </t>
 <t>
    A server &MAY; send a Content-Length header field in a
    <x:ref>304 (Not Modified)</x:ref> response to a conditional GET request
-   (&status-304;) in order to indicate the size of the payload body,
-   excluding any potential transfer-coding, that would have been sent in a
-   <x:ref>200 (OK)</x:ref> response.
+   (&status-304;); a server &MUST-NOT; send Content-Length in such a
+   response unless its field-value equals the decimal number of octets that
+   would have been sent in the payload body of a <x:ref>200 (OK)</x:ref>
+   response to the same request.
 </t>
 <t>