"Invalid Authorization" errors can occur when using Google's DNS. It is recommended to use Cloudflare (1.1.1.1) OpenDNS (208.67.222.222) as custom DNS forwarding servers for *.zvelo.com Manual Re-activation Content Filter Applications and Web Categories Enable Kerio Control Web Filter is checked. to force a refresh. Verify License Status
Note: Reset only after you have exhausted all other options.
Ensure you are running the latest version of Kerio Control. Check for updates and install the latest version if necessary. "Invalid Authorization" errors can occur when using Google's
: After modifying DNS settings, a system reboot is recommended to clear cached authorization tokens that typically expire every 21 days. Solution 3: Verify License Status
A mismatch between the firewall's system clock and the actual time breaks SSL/TLS handshakes with Kerio servers. Verify License Status Note: Reset only after you
Common errors:
Sometimes the link between your appliance and the cloud service becomes stale. Go to . : After modifying DNS settings, a system reboot
If you manage a network using (now part of GFI Software), you rely on its web filtering capabilities to enforce acceptable use policies, block malware domains, and regulate bandwidth. So, it’s more than a little alarming when you log into the administration interface and see the dreaded red or orange alert:
No categorization data appears in traffic logs.
If nothing works, reinstall the web filter module.