%%MAGIT_PARSER_PROTECT%% [Kerio Control Appliance] ---> (Forwards *.zvelo.com via Custom Rule) ---> [Cloudflare DNS 1.1.1.1] ---> [Active Token Validation] %%MAGIT_PARSER_PROTECT%%
Ensure the for Kerio Control Web Filter is enabled and not restricted by a higher rule. 5. Check Firewall Traffic Rules Sometimes, strict egress rules block the required traffic. Go to Configuration > Traffic Rules .
Kerio Control automatically disables the filter if it fails 10 consecutive DNS check queries within one minute, deeming the connection unreliable. Go to Configuration > Traffic Rules
If it returns a category, the filter is active. If it says "Unable to categorize," the authorization issue persists. support.keriocontrol.gfi.com To help you further, could you let me know: of Kerio Control are you running? Do you see an " Invalid Authorization DNS response timeout " error in your Software Maintenance currently active?
Note: If you recently upgraded the firmware and the filter stopped working, verify that your license covers the newer version of the software, as major upgrades can sometimes invalidate legacy keys. If it says "Unable to categorize," the authorization
(Note: Depending on your version, you may use service winroute stop or /etc/init.d/winroute stop ) Navigate to the Web Filter cache directory: cd /var/winroute/kerio/cef Use code with caution. Remove the corrupted database or cache files: rm -rf * Use code with caution. Restart the Kerio Control engine: /etc/boxinit.d/60winroute start Use code with caution.
After freeing space, restart the categorization service. If it says "Unable to categorize
Is your software maintenance agreement () currently active?
Firewall rules or external DNS servers blocking the authentication requests.
This comprehensive guide explains why this error occurs and provides step-by-step solutions to fix it and restore your web filtering capabilities. Understanding the Error