Kerio: Control Web Filter Is Not Activated Categorization Is Disabled Fixed

Enable verbose logging for web filter:

Common errors:

  • Check outbound HTTPS access:
  • If behind proxy:

    • Here’s a professional yet straightforward write-up you can use for documentation, a knowledge base, or a ticket resolution.

    /opt/kerio/ctrl/bin/kerio-control-web-filter --uninstall
/opt/kerio/ctrl/bin/kerio-control-web-filter --install

    Then re-download categories.

    Kerio Control includes web filtering only in paid licenses (Standard, Enterprise, or UTM). The free trial or a basic "Firewall only" license does not include categorization.

    Steps:

  • If it shows Trial expired, Not licensed, or Invalid, you need to:

    • Important: Some legacy licenses (e.g., Kerio Control 7.x perpetual) do not include the categorization service. You may need to upgrade to a “Content Filtering” add-on. Enable verbose logging for web filter:

  • Check License

  • Force Category Database Update

  • Restart Services

  • DNS Resolution Check

  • If Still Broken

    • If SSL inspection is off, HTTPS sites may appear uncategorized. Common errors: