Check the box to and click Edit (or Add). In the DNS name field, enter exactly: *.zvelo.com
If a traffic rule prevents the appliance from reaching the update servers, it cannot validate the Web Filter license. Check the box to and click Edit (or Add)
: 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. deeming the connection unreliable.
Kerio Control automatically disables the filter if it fails 10 consecutive DNS check queries within one minute, deeming the connection unreliable. Check the box to and click Edit (or Add)
