Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot ((top)) 〈Bonus Inside〉
Understanding Kerio Control
Kerio Control is a comprehensive network security solution that provides firewall protection, VPN, and content filtering. The web filter is a crucial component that allows administrators to control and monitor internet access, block specific web categories, and ensure that users are not accessing inappropriate or harmful content.
Step 5: Force Update of Categorization Database
- Go to Web Filter → Categorization.
- Click Update now.
- Wait for the status to change from Downloading to Ready.
Part 2: Common Causes of the Error
Before diving into solutions, identify which scenario applies to you: Understanding Kerio Control Kerio Control is a comprehensive
| Cause | Typical Symptom |
|-----------|----------------------|
| Expired or missing license | Web Filter shows "Not Activated" in Dashboard; grace period ended. |
| DNS resolution failure | Kerio Control cannot resolve update.gfi.com or category cloud servers. |
| Firewall rules blocking the appliance itself | Local policy prevents Kerio Control from outbound HTTPS (port 443). |
| Corrupted local cache | Database files for categories are damaged. |
| Proxy mode misconfiguration | Using transparent proxy on a non-standard port without proper SSL interception. |
| Time/date sync issue | Certificate validation fails if system time is incorrect. |
| Version-specific bug | Known issues in older releases (e.g., 9.2.x, 9.3.x). | Go to Web Filter → Categorization
Step 1: Verify Licensing Status
Before diving into technical configurations, check the administrative console. Part 2: Common Causes of the Error Before
- Navigate to Configuration > Licenses.
- Check the Web Filter license status.
- Action: If the license is expired, contact your reseller or GFI support to renew. If the license shows as active but the error persists, proceed to Step 2.