Content with "Content-Encoding: gzip" Is Always Cached Although You Use "Cache-Control: no-cache"

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Article ID: 321722 - View products that this article applies to.
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Symptoms

When you use the "Content-Encoding: gzip" HTTP header, the "Cache-Control: no-cache" header may not work on Internet Explorer version 5.5 Service Pack 2 (SP2) and 6.

Resolution

Internet Explorer 6

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language. The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version        Size     File name
   ------------------------------------------------------
   16-Aug-2002  10:58  6.0.2720.1600  481,280  Urlmon.dll
				

Internet Explorer 6 Service Pack 1

Install the Cumulative Security Update for Internet Explorer. To do so, visit the following Microsoft TechNet Web site:
http://www.microsoft.com/technet/security/bulletin/MS03-048.mspx

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Properties

Article ID: 321722 - Last Review: December 24, 2014 - Revision: 1.0
Applies to
  • Microsoft Internet Explorer 6.0, when used with:
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Professional
    • Microsoft Windows XP Tablet PC Edition
    • Microsoft Windows 2000 Professional Edition
    • Microsoft Windows 2000 Server
    • Microsoft Windows NT Workstation 4.0 Developer Edition
Keywords: 
kbnosurvey kbarchive kbautohotfix kbhotfixserver kbbug kbenv kbfix kbie600presp1fix kbqfe kbie600sp1fix KB321722

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