If the log says categorization is disabled for a specific connection , it might be bypassed.
Ensure your Kerio subscription is renewed before the web filter license expires to avoid downtime.
If the Zvelo token used for authorization expires (after 21 days) or becomes corrupted, the system cannot categorize websites. Troubleshooting Steps: How to Fix
When token errors block categorization updates, changing your custom DNS server settings for the categorization domain usually resolves the issue. Open your Kerio Control Admin Interface . If the log says categorization is disabled for
: Change your custom DNS forwarding servers for *.zvelo.com to Cloudflare ( 1.1.1.1 ) or OpenDNS ( 208.67.222.222 ).
Without this, categorization requests will time out.
: Software Maintenance Upgrade (SMU) or Web Filter subscription has lapsed. Troubleshooting Steps: How to Fix When token errors
Your web security depends entirely on manual, manual URL whitelisting/blacklisting, which is unsustainable. Primary Causes for "Web Filter Not Activated"
"Kerio Control Web Filter is not activated" is a critical security failure, but it is often easy to fix by verifying license status and enabling the feature in the Content Filter settings. By ensuring active subscriptions, proper DNS resolution, and correct rule configuration, you can maintain robust network protection.
The principal, Dr. Evans, stormed into Leo's office. "Leo. A parent just called. Their child searched for 'how to build a birdhouse' and got a pop-up for… well, for things you build with bird seed , but not that kind." Without this, categorization requests will time out
If categorization is disabled , the appliance cannot query the cloud. Consequently, no website receives a category, and all content rules dependent on categories fail silently.
Follow these solutions in order, from the most common to the most advanced. 1. Verify License Status and Expiration Date The most frequent cause is an expired subscription. Open your Kerio Control Administration web interface. Navigate to .
: This often means an expired Zvelo token. Tokens typically expire every 21 days and must be refreshed from Kerio's internal servers.
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