Control Web Filter Is Not Activated Categorization Is Disabled Work — Kerio

"Kerio Control Web Filter is not activated; categorization is disabled,"

If you are encountering the error your firewall has likely triggered a safety mechanism that pauses web filtering when it cannot reliably reach the categorization servers.

6. Rebuild Corrupted Database (Advanced)

1. Expired or Invalid License (Most common – 80% of cases).
2. DNS Resolution Failure (Kerio cannot resolve licensing.gfi.com).
3. Proxy/Firewall Blocking Outbound HTTPS (Kerio blocking itself).
4. Corrupted Local Category Database.
5. Time/Date Synchronization Issues (SSL certificate validation fails).
6. Service Crash (kerio-web-filter service has stopped).

) are using these categories correctly; if the filter is inactive, these rules will appear greyed out. GFI Support to run those database commands? Using Kerio Control Web Filter "Kerio Control Web Filter is not activated; categorization

1. The Web Filter License is Expired or Invalid

Permanent Fix (via SSH)

: To prevent future automatic disabling, you must disable the DetectReliability feature: Access the Kerio Control shell via SSH . Navigate to the directory: cd /opt/kerio/winroute . Expired or Invalid License (Most common – 80% of cases)

Fix:

1. Verify and Update License

By following this guide, you should see the Web Filter dashboard return to life, categories populating, and your URL rules enforcing correctly. If the problem persists, contact GFI Support with the log file located at /var/log/kerio/web-filter/error.log – it will contain specific HTTP error codes explaining why the cloud categorization handshake is failing. ) are using these categories correctly; if the