Kerio Control Web Filter Is — Not Activated Categorization Is Disabled Fixed ((new))
đŸ’¡ If the filter is active but specific sites are still failing, try enabling HTTPS Decryption in the Content Filter settings; otherwise, the filter cannot see the full URL to categorize it.
Upon investigation of the system logs and configuration state, the following cascade of failures was identified:
Ensure "Parent Proxy" settings are correct or disabled if not needed.
"Invalid Authorization" errors often stem from expired Zvelo key tokens. It is recommended to use reliable DNS servers like Cloudflare (1.1.1.1) (208.67.222.222) đŸ’¡ If the filter is active but specific
The error is a common issue that strips away your network's primary line of defense. When this error occurs, your firewall stops sorting websites into categories like "Gambling," "Social Media," or "Malware," leaving your entire network exposed to security threats and productivity leaks.
Mark paced the server room, the hum of the cooling fans doing little to soothe his nerves. The CEO was expecting a productivity report by noon, but the Kerio Control dashboard was mocking him with a persistent, red-lettered warning:
If you are still experiencing issues with your web filter, please let me know: What of Kerio Control you are running. If you recently renewed or changed your license . It is recommended to use reliable DNS servers
The error "Kerio Control Web Filter is reported to be not activated, and categorization is disabled" usually stems from (expired tokens) or DNS reliability issues . Fix 1: Resolve Invalid Authorization (Expired Zvelo Tokens)
For further assistance with specific error codes, you can visit the GFI Support Portal Using Kerio Control Web Filter
Some common causes of this issue include: The CEO was expecting a productivity report by
If you want, I can create specific command examples and the exact categorization hostnames for your Kerio version—tell me the Kerio Control version and whether it sits behind an upstream proxy or firewall.
Without this communication, the firewall cannot determine if a site belongs to "Social Media," "Malicious," or "Job Search" categories. As a result: Blocked categories become accessible.