Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work __exclusive__ -

Detect when Kerio Control web filter or categorization becomes disabled and automatically restore protection while notifying admins and providing a remediation audit trail.

Before changing configurations, ensure your subscription is active. Navigate to . Verify that "Web Filter" is listed and not expired. 2. Verify DNS and Time Settings

According to GFI Support , the most common reasons for the Web Filter to deactivate are: Detect when Kerio Control web filter or categorization

| Misconception | Reality | |---------------|---------| | “I have a valid firewall license, so Web Filter should work.” | Web Filter requires a separate add-on subscription. | | “Categorization disabled means no filtering at all.” | Basic domain/URL blocking still works via custom lists. | | “Restarting the appliance fixes this.” | Only if the service was stuck; licensing and connectivity issues persist. | | “HTTPS inspection must be on for categorization.” | False – categorization works on the domain extracted from SNI or URL, even without full HTTPS decryption. |

Ensure your firewall allows outgoing DNS traffic to reach these servers. : Verify that "Web Filter" is listed and not expired

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: If the online activation fails due to network issues, download the license file from the Kerio Product Registration page and use the Register Offline option in the Kerio Activation Wizard. | | “Categorization disabled means no filtering at all

Use an (like PuTTY) to log into your Kerio Control firewall console. Navigate to the installation directory: cd /opt/kerio/winroute Use code with caution.

Confirm the checkbox for remains checked.