Activated Categorization Is Disabled Work ((link)) - Kerio Control Web Filter Is Not

Is your Kerio Control hardware ?

Before fixing the issue, it is important to understand what "Categorization Disabled" actually means.

For maximum protection and accurate statistics, ensure that the Categorize each page regardless of URL rules option is also enabled. This forces the Web Filter to categorize every visited page, which is essential for comprehensive reporting and monitoring.

If the web filter is disabled due to a "temporary" DNS issue, you may need to force it back on via SSH. Login to Kerio Control via SSH.

| Misconception | Reality | |---------------|---------| | “I have a valid firewall license, so Web Filter should work.” | Web Filter requires a separate add-on subscription. | | “Categorization disabled means no filtering at all.” | Basic domain/URL blocking still works via custom lists. | | “Restarting the appliance fixes this.” | Only if the service was stuck; licensing and connectivity issues persist. | | “HTTPS inspection must be on for categorization.” | False – categorization works on the domain extracted from SNI or URL, even without full HTTPS decryption. | Is your Kerio Control hardware

Check your license status in the GFI Administration Interface .

After restarting, verify that the error log entry is no longer generated and that the Web Filter appears as activated in the Webadmin interface.

Before diving into the fixes, it helps to understand why Kerio Control throws this specific alert:

Visit the official Kerio Control Knowledge Base or the GFI Community Forums. Always include your debug logs (Diagnostics → Generate Support Info) when seeking vendor support. This forces the Web Filter to categorize every

A "cannot load new license file" error often results from a full disk. Clear cache files if necessary. Use URL Whitelist: If a site is blocked incorrectly, use the Content Filter > Applications and Web Categories > Add feature to whitelist it directly. support.keriocontrol.gfi.com Using Kerio Control Web Filter

: The Kerio Control Web Filter is an optional module. If not licensed, it functions as a 30-day trial and automatically disables itself afterward.

In conclusion, a Kerio Control Web Filter that is not activated, and categorization is disabled, can leave organizations vulnerable to web-based threats. While there are workarounds and solutions available, it's essential to prioritize the activation of the Web Filter and enable categorization to ensure robust protection and control over web traffic. By doing so, organizations can ensure a safer and more secure online environment for their users.

: In the Kerio Control Webadmin Dashboard, verify that the "Kerio Control Web Filter" component shows as active and has not exceeded its download limits. By doing so

Under , choose URL Hostname instead of choosing an application category.

Run the following commands to disable reliability detection:

Cyren went out of business, permanently shutting down the cloud servers your old Kerio version is trying to contact.