DOCUMENT:Q272596 08-MAY-2002 [iis] TITLE :IIS: Enabling HTTP Compression Returns Content with 1997 Date PRODUCT :Internet Information Server PROD/VER::5.0 OPER/SYS: KEYWORDS:kbDSupport ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Services version 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== After you enable HTTP compression on a Microsoft Windows 2000 Server that is running Internet Information Services (IIS) version 5.0, all compressed content is returned with an expiration date of January 1, 1997. CAUSE ===== All compressed content is set to expire in the past to prevent proxy servers from caching the content and returning compressed content to a client that does not understand HTTP compression. MORE INFORMATION ================ For more information, see the "About Capacity Planning" and "Enabling HTTP Compression" in the online documentation for IIS 5.0 on a Windows 2000 server at the following sites: http://localhost/iishelp/iis/htm/core/iiprftn.htm http://iisteam/iishelp/iis/htm/core/iihttpc.htm For additional information about HTTP compression, click the article numbers below to view the articles in the Microsoft Knowledge Base: Q259760 Compression Is Not Enabled on POST Request Q234497 How to Specify Additional Document Types for HTTP Compression Q241428 HTTP Compression Does Not Compress Office Documents Q255951 HTTP Compression Methods and Files Used by IIS 5.0 Q255801 How to Determine if HTTP Compression Is in Use Q255844 Default Document Is Not Compressed When Compression Is Enabled Q258721 HTTP Compression Will Not Work with URLs that Include a Forward Slash "/" Additional query words: ====================================================================== Keywords : kbDSupport Technology : kbiisSearch kbiis500 Version : :5.0 Hardware : ALPHA x86 Issue type : kbprb Solution Type : kbpending ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.