This forces the system to keep the Web Filter active regardless of DNS response timeouts. C. Verify License Activation Ensure the Web Filter module has a valid license. Check the License Registration status on the dashboard.
: Create a rule allowing traffic from the Firewall itself to: prod-update.kerio.com register.kerio.com control-update.kerio.com support.keriocontrol.gfi.com Verification Steps Navigate to Content Filter Applications and Web Categories and enter any website (e.g., google.com This forces the system to keep the Web
He corrected the system time to the current second. NTP Refresh: He forced a synchronization with pool.ntp.org . Service Restart: He toggled the Web Filter off and back on. Check the License Registration status on the dashboard
If the service is stuck, a physical reboot or a software restart through the administration interface can sometimes restore operation after 1 hour of downtime. support.keriocontrol.gfi.com Service Restart: He toggled the Web Filter off and back on
: Ensure the "Kerio Control Web Filter categories and applications" rule is enabled under Content Filter > Content Rules .
in the administration interface. Look for "DNS response timeout" or "FAILURE: Invalid authorization" to identify the exact cause. to check your current DNS connectivity to the Zvelo servers?