Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work !link!

If you are encountering the error "Kerio Control Web Filter is not activated; categorization is disabled," your firewall has likely triggered a safety mechanism that pauses web filtering when it cannot reliably reach the categorization servers.

Step 5: Configure an Upstream Proxy (If Used)

If your network connects to the internet via a corporate proxy, Kerio Control must be told to use it. If you are encountering the error "Kerio Control

Create Custom Forwarding: In DNS > Custom DNS Forwarding, add a rule for *.zvelo.com pointing to a reliable public DNS. The error "Kerio Control Web Filter is not

Fix DNS Resolution: The Web Filter relies on reaching v4.url.zvelo.com. categorization is disabled

How to test:

A simple restart of the firewall often restores connectivity and resets the failure counters. Disable "Detect Reliability" (via SSH)

curl -I https://licensing.gfi.com

The error "Kerio Control Web Filter is not activated" typically occurs when the firewall loses communication with its categorization servers (Zvelo), or if the special module license has lapsed. Common Fixes Check Licensing: