Kerio Control Web Filter Is Not Activated Categorization Is Disabled Hot ((hot)) Instant
If your structural Software Maintenance evaluation has crossed its 30-day trial window, the active taxonomy engine instantly disables itself. Ensure subscription statuses show active, unexpired timelines. Verifying and Troubleshooting Content Filtering
cd /opt/kerio/winroute ./tinydbclient "update SiteFilter set DetectReliability=0" /etc/boxinit.d/60winroute restart Use code with caution.
To avoid sudden drops in your network security, implement these best practices: To avoid sudden drops in your network security,
Check the box for and click Edit (or Add ). Set the DNS name field to exactly *.zvelo.com .
Use an SSH client like PuTTY to connect to your Kerio Control gateway IP address via port . Log in using your root administrative credentials. Switch the underlying filesystem to read-write mode: mount -o rw,remount / Use code with caution. Navigate to the core system binary folder: cd /opt/kerio/winroute Use code with caution. Log in using your root administrative credentials
Note: This forces the filter to stay active even if it has trouble reaching the update servers. Configuration Check
The error message indicates that your firewall's dynamic content filtering module has stopped communicating with its cloud classification servers. When this occurs, corporate traffic filtering completely breaks down, and critical category blocks—including "Lifestyle and Entertainment" websites—are ignored. Instead of protecting network bandwidth and enforcing company productivity policies, the firewall defaults to an unmanaged state where users can access restricted media streams, social platforms, and leisure blogs. Why the "Lifestyle and Entertainment" Category Fails Here’s a useful
Kerio deactivates the filter if 10 consecutive DNS queries fail within one minute. Usually, it tries to re-enable itself after one hour, but a manual restart is often faster. 2. Resolve "Invalid Authorization" Failures
As a result, web filtering rules based on URL categories (e.g., Social Media, Streaming, Adult Content) will not work. Users may be able to access all websites regardless of configured policies.
Here’s a useful, troubleshooting-focused article based on the error message: