Changeset 590 for draft-ietf-httpbis
- Timestamp:
- 02/06/09 06:45:39 (13 years ago)
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- 1 edited
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draft-ietf-httpbis/latest/p6-cache.html
r588 r590 468 468 <tr> 469 469 <td class="header left"></td> 470 <td class="header right">June 1, 2009</td>470 <td class="header right">June 2, 2009</td> 471 471 </tr> 472 472 </table> … … 882 882 <p id="rfc.section.2.5.p.1">Because unsafe methods (<a href="p2-semantics.html#safe.methods" title="Safe Methods">Section 7.1.1</a> of <a href="#Part2" id="rfc.xref.Part2.2"><cite title="HTTP/1.1, part 2: Message Semantics">[Part2]</cite></a>) have the potential for changing state on the origin server, intervening caches can use them to keep their contents up-to-date. 883 883 </p> 884 <p id="rfc.section.2.5.p.2">The following HTTP methods <em class="bcp14">MUST</em> cause a cache to invalidate the Request-URI as well as the Location and Content-Location headers (if present):884 <p id="rfc.section.2.5.p.2">The following HTTP methods <em class="bcp14">MUST</em> cause a cache to invalidate the Request-URI as well as the URI(s) in the Location and Content-Location headers (if present): 885 885 </p> 886 886 <ul> … … 889 889 <li>POST</li> 890 890 </ul> 891 <p id="rfc.section.2.5.p.3">An invalidation based on the URI ina Location or Content-Location header <em class="bcp14">MUST NOT</em> be performed if the host part of that URI differs from the host part in the Request-URI. This helps prevent denial of service891 <p id="rfc.section.2.5.p.3">An invalidation based on a URI from a Location or Content-Location header <em class="bcp14">MUST NOT</em> be performed if the host part of that URI differs from the host part in the Request-URI. This helps prevent denial of service 892 892 attacks. 893 893 </p>
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