Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot !!link!! Jun 2026
: Verify that you have at least one rule that utilizes "Applications and Web Categories." The filter often only activates when a rule specifically asks for a category classification.
If it says Expired or Not Licensed , you must purchase a renewal or apply a valid license key.
Kerio Control must communicate with external Kerio/GFI servers to verify its license and fetch URL categories. : Verify that you have at least one
Web Filter categorization disabled. Serial number: ko-197974
/etc/init.d/kerio-filtering stop
This typically happens because:
Older versions (pre-9.3.5 or 10.x early builds) had known issues with GFI’s cloud categorization endpoints migrating to new TLS ciphers. Web Filter categorization disabled
: Rebooting Kerio Control often restores the link to the update servers support.keriocontrol.gfi.com Verify License
Share these lines on Kerio Control Forums for specific advice. : Verify that you have at least one

