Kerio Control Web Filter Is Not Activated Categorization Is Disabled Fixed Verified

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To fix the issue of the Kerio Control web filter not being activated, and categorization is disabled, follow these steps:

The Web Filter requires a separate, active add-on license alongside the base Kerio Control license.

The final command in this process will restart the entire Kerio Control service, temporarily disrupting all internet traffic on your network. Therefore, you should only perform this procedure outside of business hours or during a scheduled maintenance window.

In conclusion, the Kerio Control web filter not activated issue, with categorization disabled, can be caused by a range of factors, including configuration issues, database corruption, software bugs, license issues, and network connectivity problems. By following the step-by-step guide outlined in this article, administrators can troubleshoot and fix the issue, ensuring that the web filter functions correctly and provides effective protection for their organization's network. This public link is valid for 7 days

Upon investigation of the system logs and configuration state, the following cascade of failures was identified:

Even if your license appears active, re-entering it can re-trigger the activation of the web filter module.

Kerio Control must be allowed to communicate with external servers over specific ports. Navigate to > Traffic Rules .

Kerio Control is a popular network security and firewall solution that provides robust protection for organizations. One of its key features is the Web Filter, which allows administrators to control and monitor internet access for users within the network. However, sometimes the Web Filter may not activate properly, or categorization may be disabled, leading to reduced functionality. In this write-up, we will explore the possible causes of these issues and provide a step-by-step guide on how to resolve them. Can’t copy the link right now

Verify that there is a rule allowing the itself (the local host) to access the internet.

Click or Update License Info to force the firewall to re-authenticate with the parent servers. Step 2: Check Kerio Control's System DNS Settings

This should be a and is a temporary measure to restore service while you investigate DNS or network stability. The web filter will automatically resume normal operation after one hour if the underlying issues are resolved.

Clear the temporary update and categorization cache directories (exact paths may vary slightly depending on your version, typically found under /var/winroute/ ): rm -rf /var/winroute/webfilter/* Use code with caution. Restart the Kerio Control engine: /etc/boxinit.d/60winroute start Use code with caution. The final command in this process will restart

and runs a command to reset the timers and disable the sensitive reliability check: cd /opt/kerio/winroute ./tinydbclient "update SiteFilter set DetectReliability=0" /etc/boxinit.d/60winroute restart Manual Re-activation : Once the backend is stable, they return to the Applications and Web Categories tab and re-check Enable Kerio Control Web Filter

Firewall rules, ISP outages, or deep packet inspection (DPI) are blocking traffic to the cloud filtering service. Steps to Fix: "Kerio Control Web Filter is Not Activated" Follow these steps in order to resolve the issue. 1. Verify License and Subscription Status

To prevent the Kerio Control web filter not activated issue from occurring in the future, here are some additional tips and best practices:

: Through the SSH console, verify that the DiaServerUrl in /opt/kerio/winroute/winroute.cfg is set to v4.url.zvelo.com . Phase 3: Technical Fix via SSH

Ensure it points to a reliable public DNS server rather than an internal loop. We recommend using robust public DNS servers for testing: 8.8.8.8 and 8.8.4.4 Cloudflare DNS: 1.1.1.1