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W3 Total Cache
Compatibility Check Fails, Server Configured Correctly (5 posts)

  1. drokkon
    Member
    Posted 2 years ago #

    When I run the compatibility check, several things show as not being configured correctly. I've double-checked myself and had the host double-check that everything looks good. Can anyone shed some light?

    Server Modules & Resources:
    
    Plugin Version: 0.9.2.4
    PHP Version: 5.3.8 (PHP5 required for Minify, Rackspace CloudFiles, Microsoft Azure support)
    Web Server: Apache
    FTP functions: Installed (required for Self-hosted (FTP) CDN support)
    Multibyte String support: Installed (required for Rackspace Cloud Files support)
    cURL extension: Installed (required for Amazon S3, Amazon CloudFront, Rackspace CloudFiles support)
    zlib extension: Installed (required for compression support)
    Opcode cache: Not installed
    Memcache extension: Not installed
    HTML Tidy extension: Installed (required for HTML Tidy minifier suppport)
    Mime type detection: Not installed (required for CDN support)
    Hash function: Installed (hash) (required for NetDNA purge support)
    Safe mode: Off
    Open basedir: Off
    zlib output compression: Off
    set_time_limit: Available
    mod_deflate: Not detected (required for Page Cache (enhanced mode) and Browser Cache)
    mod_env: Not detected (required for Page Cache (enhanced mode) and Browser Cache)
    mod_expires: Not detected (required for Page Cache (enhanced mode) and Browser Cache)
    mod_headers: Not detected (required for Page Cache (enhanced mode) and Browser Cache)
    mod_mime: Not detected (required for Page Cache (enhanced mode) and Browser Cache)
    mod_rewrite: Not detected (required for Page Cache (enhanced mode) and Browser Cache)
    mod_setenvif: Not detected (required for Page Cache (enhanced mode) and Browser Cache)
    
    WordPress Resources
    
    /home/admin/public_html/.htaccess: OK
    /home/admin/public_html/wp-content: OK
    /home/admin/public_html/wp-content/blogs.dir/2/files/2011/10: OK
    Fancy permalinks: /%year%/%monthnum%/%day%/%postname%/
    WP_CACHE define: Defined (true)
    URL rewrite: Enabled
    Network mode: Yes (subdir)

    http://wordpress.org/extend/plugins/w3-total-cache/

  2. cyonite
    Member
    Posted 2 years ago #

    There could be some issue with the verification script. Does the modules (Page Cache etc) work?
    If you haven't already you could submit a bug form submission from the Support page inside the plugin.

  3. Frederick Townes
    Member
    Plugin Author

    Posted 2 years ago #

    @drokkon what features are you trying to use that you're worried won't work?

  4. drokkon
    Member
    Posted 2 years ago #

    I'm not sure what to expect wouldn't work. All I know is that when I run the compatibility check, several issues with my server show up. These are warning flags to me, especially when using a plugin like this - will it expose me to security risks? Will it fail to serve pages to my visitors correctly?

    If they aren't essential, then perhaps they shouldn't be checked. :)

  5. Frederick Townes
    Member
    Plugin Author

    Posted 2 years ago #

    It's designed to help people figure out what's "under the hood" of your hosting account. None of those tests relate to security, they relate to compatibility. Some of the modules are required for some specific features and some of them cannot be detected in every hosting environment, so the check is not fool proof either. Sorry.

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