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?
Web Filter categorization disabled. Serial number: ko-197974 in the administration interface
If the Web Filter remains disabled due to "Reliability detection" (where the firewall stops checking categorization if it thinks the connection is unstable), you can force it to stay active. in the administration interface
Go to to check the status of the "Web Filter" module. in the administration interface
Review and verify the Web Filter configuration to ensure it is set up correctly.