Kerio Control does not store the categorization parameters for millions of websites locally. Instead, it issues real-time, lightweight DNS queries to cloud databases. When this error occurs, it usually traces back to three primary failure points:
Kerio sends automated check queries to cloud infrastructure. If a response is dropped 10 consecutive times within 1 minute, the firewall marks the backend engine as unreliable and completely disables categorization.
Check the expiration date specifically for the .
Log back into the web console and check if the categorization error has cleared. 5. Verify GFI Accounts Portal Balance and Terms Kerio Control does not store the categorization parameters
To understand the gravity of the failure, one must first understand the architecture of Kerio Control’s filtering mechanism. The system does not function as a monolithic block; rather, it relies on a symbiotic relationship between two distinct elements:
(Note: Restarting the winroute service applies the configuration change immediately). Fix 2: Set Up Custom DNS Forwarding for Zvelo
Are you seeing any specific or authorization errors in your Warning or Error logs? If a response is dropped 10 consecutive times
Test by visiting a site that belongs to a restricted category (e.g., facebook.com if you have social media blocked). Conclusion
For further assistance with specific error codes, you can visit the GFI Support Portal Using Kerio Control Web Filter
Incorrect DNS forwarding settings or slow Internet link speeds can prevent communication with Kerio update and Zvelo categorization servers. 2. Resolution Steps A. Adjust DNS Forwarding (Recommended) it issues real-time
: Ensure your license includes the "Kerio Control Web Filter" module. GFI Support 4. Firewall Blocking Update Servers
If the service is frozen, restarting it via command line often fixes it. Enable SSH in . SSH into your appliance (using Putty or terminal) as root.
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.
: In the admin interface, go to Content Filter > Applications and Web Categories . Uncheck and then re-check Enable Kerio Control Web Filter , then click Apply .
Add a rule for *.zvelo.com to use Cloudflare ( 1.1.1.1 ) or OpenDNS ( 208.67.222.222 ).