.. ================================================== .. FOR YOUR INFORMATION .. -------------------------------------------------- .. -*- coding: utf-8 -*- with BOM. .. include:: ../../Includes.txt .. _server-configuration: Server Configuration -------------------- Internet Explorer has caching problems that may affect the performance of the htmlArea RTE. These problems may be worked around with the following server configuration recommendations. .. _apache-configuration: Apache configuration: ^^^^^^^^^^^^^^^^^^^^^ Add the following lines to your Apache httpd.conf file or in the .htaccess file of the root directory of your site: :: BrowserMatch "MSIE" brokenvary=1 BrowserMatch "Mozilla/4.[0-9]{2}" brokenvary=1 BrowserMatch "Opera" !brokenvary SetEnvIf brokenvary 1 force-no-vary ExpiresActive On ExpiresByType image/gif "access plus 1 month" ExpiresByType image/png "access plus 1 month" The last two statements require the **mod\_expires** Apache module to be installed. For information on this module, see: `http://httpd.apache.org/docs/2.4/mod/mod\_expires.html `_ .. _microsoft-iis-configuration: Microsoft IIS configuration: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ See: `http://www.aspnetresources.com/blog/cache\_control\_extensions.aspx `_ .. _more-information: More information: ^^^^^^^^^^^^^^^^^ For more information on this subject, see the following articles: `http://dean.edwards.name/my/flicker.html `_ `http://httpd.apache.org/docs/2.4/mod/mod\_expires.html `_ `http://fivesevensix.com/studies/ie6flicker/ `_ See also the Troubleshooting section of the present document for information on IE caching problems in relation with the Apache mod\_gzip module.