Kerio Control Web Filter Is Not Activated Categorization Is Disabled Fixed -
This comprehensive troubleshooting guide explains why this problem occurs and provides step-by-step solutions to fix the web filter activation issue permanently. What Causes the Web Filter Categorization Error?
Ensure your Kerio Control is using reliable DNS servers (like 8.8.8.8 or 1.1.1.1) under Configuration > DNS . 3. Clear the Web Filter Cache
Restart the web filter service:
Kerio Control must be allowed to communicate outbound on specific ports to contact the categorization cloud networks.
: Use the Test URL tool in the same tab to verify if a site (e.g., facebook.com ) is correctly categorized. Summary of Quick Fixes Primary Fix Invalid Authorization Error Switch DNS to Cloudflare (1.1.1.1) and reboot. Trial Expired/Disabled Purchase/import a valid license key. Frequent Timeouts/Disabling Disable "DetectReliability" via SSH command. Categorization Not Active Summary of Quick Fixes Primary Fix Invalid Authorization
Kerio Control is a popular network security solution that provides a range of features to protect organizations from various online threats. One of its key features is the web filter, which allows administrators to control and restrict access to certain websites based on their content and categorization. However, some users have reported encountering an issue where the Kerio Control web filter is not activated, and categorization is disabled. In this article, we will explore the possible causes of this issue and provide a step-by-step guide on how to fix it.
If you have performed all the steps above and the error persists, it’s time to escalate. Gather the following before contacting support: In this article
When managing an enterprise network with , encountering the error "Kerio Control Web Filter is not activated, categorization is disabled" can severely expose your local network. This critical warning signifies that Kerio's cloud-based third-party content database (Zvelo) has stopped communicating with your firewall.
HTTPS inspection can interfere with the web filter’s ability to download categorization data, because the update process uses a pinned certificate that may be tampered with if you’re intercepting all SSL traffic. and categorization is disabled.