Documentation for Confluence 4.1.x. Documentation for earlier versions of Confluence is available too.

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Prefer Apache mod_deflate to Confluence's built-in gzip implementation

  1. Disable gzip in confluence. See Compressing an HTTP Response within Confluence.

  2. Enable gzip compression in Apache. For RedHat distributions this can be achieved by adding the following lines:

Ensure keepalive is enabled

Enable keepalive for recent MSIE user agents

The standard Apache SSL configuration is very conservative when it comes to MSIE and SSL. By default all keepalives are disabled when using HTTPS with MSIE. While MSIE will always be special, the issues with SSL and MSIE have been solved since Service Pack 2 for Windows XP, released over 4 years go. For anyone using an XP machine SP2 or above, it is safe to allow keepalive for MSIE 6 and above.

Remove the following lines:

Add these in their place:

RELATED TOPICS

Running Confluence behind Apache
Apache and Apache Connector Tips
Configuring Tomcat's URI encoding
Running Confluence Over SSL or HTTPS

4 Comments

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  1. Aug 19, 2009

    Simon Lieschke

    For anyone using an XP machine below SP2, it is safe to allow keepalive for MSIE 6 and above.

    Shouldn't that be safe for anyone using an XP machine from SP2 onwards?

    Also note the BrowserMatch directives documented allow keepalive for MSIE 5 and above. Shouldn't this be for MSIE 6 and above!?

  2. Aug 19, 2009

    Anonymous

    I think the section Enable keepalive for recent MSIE user agents has a couple of errors:

    The sentence For anyone using an XP machine below SP2, it is safe to allow keepalive for MSIE 6 and above. should read:
    For anyone using an XP machine with SP2 or above, it is safe to allow keepalive for MSIE 6 and above.

    The BrowserMatch directives should read:

    1. Mar 14, 2010

      Roy Hartono

      changed

  3. Oct 28, 2010

    Michael Rieger

    It seems that IE6 clients are out of the compression game anyway: Content is simply not compressed as specified when loaded by IE6. This seems to be due to some IE6 behaviour. Most examples restrict IE6 compression to text/html, e.g:

    http://minimul.com/proper-mod_deflate-configuration-with-ie-6.html