RTE HTMLarea

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5. Default Configurations >

4.6. 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:

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/1.3/mod/mod_expires.html

Microsoft IIS configuration:

See: http://www.aspnetresources.com/blog/cache_control_extensions.aspx

More information:

For more information on this subject, see the following articles:

http://dean.edwards.name/my/flicker.html

http://httpd.apache.org/docs/1.3/mod/mod_expires.html

http://fivesevensix.com/studies/ie6flicker/

See also the Tutorial section of the present document for information on IE caching problems in relation with the Apache mod_gzip module.

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