Kerio Control Web Filter Is Not Activated Categorization Is Disabled Fixed !full!

The Kerio Control Web Filter requires its own module license. Trial Expiry:

With the reliability check silenced and the DNS queries flying through, the status indicator finally turns green. The filter is active, categorization is restored, and the network is back under control. Are you seeing a specific message or a DNS timeout error in your Kerio Control console? AI responses may include mistakes. Learn more Using Kerio Control Web Filter

After applying the relevant solutions, verify success:

in the administration interface. Look for "DNS response timeout" or "FAILURE: Invalid authorization" to identify the exact cause. to check your current DNS connectivity to the Zvelo servers? The Kerio Control Web Filter requires its own module license

: Log in to the Kerio Control Administration interface and check the Dashboard . If it shows as "unregistered" or "trial expired," the Web Filter will automatically disable after 30 days.

: The Web Filter requires a specific license. If it's a new install, the 30-day trial may have expired, or a subscription renewal might be overdue. The administrator follows a documented GFI Support solution to bring the system back to life: Switching DNS Providers

If your firewall relies entirely on standard ISP domain name servers, those servers are likely dropping or throttling the lookups. Moving the traffic to public, high-capacity DNS roots resolves the majority of categorization drops. Log into your . Navigate to Configuration > DNS . Are you seeing a specific message or a

By following these best practices and staying on top of maintenance and troubleshooting, administrators can ensure that their Kerio Control web filter functions correctly and provides effective protection for their organization's network.

Use an SSH client (like PuTTY) to log into your Kerio Control appliance using root credentials. Stop the Kerio Control engine by running: /etc/boxinit.d/60winroute stop Use code with caution.

This is the most common cause. The web filter is a separate, licensed component. Look for "DNS response timeout" or "FAILURE: Invalid

Test a client machine on your network by attempting to visit a forbidden site category. The customized Kerio Control block page should successfully intercept the connection.

: Often, a simple service restart or hardware reboot forces a re-authentication with the license servers. Verify DNS Settings : Ensure Kerio Control can resolve external hosts. Use the Google Public DNS (8.8.8.8) or Cloudflare DNS (1.1.1.1) as forwarders. Root Causes & Solutions 1. Expired Authorization Token (Zvelo)