What specific appears in your Warning or Error logs?
After applying the relevant solutions, verify success:
This disables the "Reliability detection" feature that turns off the filter during ISP instability. support.keriocontrol.gfi.com 3. License & Maintenance Expiry The Web Filter is a subscription-based module. If your Software Maintenance has expired, the module may deactivate. License Tile to verify the status.
In this guide, we will explore and provide a step-by-step troubleshooting sequence to restore full web filtering functionality. What specific appears in your Warning or Error logs
Ensure the checkbox is checked.
A disabled Kerio Control Web Filter can lead to significant network security risks. In most scenarios, the "not activated" error is caused by DNS resolution failures or transient connectivity issues with the Zvelo classification database. By verifying your license, updating your DNS servers, and potentially disabling the DetectReliability feature, you can restore full web filtering functionality.
If nothing works, the configuration database itself may have inconsistent flags. This is a nuclear option. License & Maintenance Expiry The Web Filter is
As a result, your custom content filtering rules fail, applications lose their category context, and users might browse completely unrestricted or encounter complete network access timeouts.
Kerio downloads a local copy of the categorization database. If that database is outdated or corrupt, forcing a fresh download helps.
The error "Categorization is disabled" appears if: In this guide, we will explore and provide
The rule should look like: Source: Firewall -> Destination: Internet -> Service: Any (or HTTP/HTTPS/DNS) -> Action: Allow .
Hold Shift and navigate to Status > System Health , then click Enable SSH . Connect to the console using a tool like Putty. Execute the following commands: