Kerio Control Web Filter Is Not Activated Categorization Is Disabled Work -

If the license is valid but the categorization remains disabled, the local Web Filter database files may be corrupt. You can force Kerio to download a fresh copy. Navigate to . Uncheck the box that says Enable Kerio Control Web Filter . Click Apply to save the changes.

Once your Web Filter is operational, implement these preventive measures to avoid recurrence:

: Zvelo key tokens expire every 21 days; if they fail to refresh from Kerio's internal servers, authorization will fail. support.keriocontrol.gfi.com Checking Filter Status If the license is valid but the categorization

Subscription renewal is necessary for Web Filter to function. Corrupted/Invalid Authorization: Expired Zvelo token (expires every 21 days) or corrupted winroute.cfg support.keriocontrol.gfi.com 2. Immediate Workarounds & Fixes A. Fix DNS and Connectivity Change DNS Servers: Ensure your DNS servers are robust. Cloudflare ( ) or OpenDNS ( 208.67.222.222 ) are recommended for better *.zvelo.com resolution. Restart Kerio Control: A simple reboot often restores functionality. support.keriocontrol.gfi.com B. Fix "Categorization is Disabled" via SSH

: Traffic to Kerio updates servers is blocked upstream. Uncheck the box that says Enable Kerio Control Web Filter

Connect to the Kerio Control console using a tool like PuTTY. Run Commands: cd /opt/kerio/winroute ./tinydbclient "update SiteFilter set DetectReliability=0" /etc/boxinit.d/60winroute restart Use code with caution. Copied to clipboard

A trial license includes web filtering, but it expires. Many admins forget to update after a trial. support

When your displays a "not activated" status or states that "categorization is disabled," it usually stems from a connectivity failure between your firewall and the Zvelo categorization servers .

This procedure requires access to the Kerio Control console via SSH and a direct edit of the configuration database. It should be performed with caution and ideally outside of business hours, as the final command restarts the firewall service, causing a brief network interruption.

To verify if the filter is correctly enabled once connectivity is restored: Navigate to Content Filter Applications and Web Categories Enable Kerio Control Web Filter is checked. to save changes. GFI Support SSH commands

If a legitimate website is being blocked, you can manually whitelist it by adding the URL to the exceptions list in the same section.