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

: Functionality often restores itself after one hour of stable connection. The Command Fix

To resolve:

Navigate to Content Filter > Applications and Web Categories and ensure "Enable Kerio Control Web Filter" is checked. Why This Happens

Fixing this problem requires a mix of . 🛠️ Summary of Quick Fix Workarounds Primary Solution DNS Timeout (Check Failures) Disable Reliability Detection via SSH Expired Zvelo Token Route Zvelo domains through Cloudflare/OpenDNS Expired License Renew GFI Kerio Control Web Filter subscription Emergency Network Freeze Create temporary wildcard Content Rules 🛑 Root Causes Behind the Error 1. The 10-Query DNS Timeout Rule

. This triggers a "not reliable" status, causing the web filter to disable itself to prevent blocking legitimate traffic due to a lack of data. support.keriocontrol.gfi.com Direct Solutions Wait for Automatic Reversion : Functionality often restores itself after one hour

How to Fix "Kerio Control Web Filter is Not Activated, Categorization is Disabled"

Kerio Control Web Filter is Not Activated: Categorization is Disabled (Troubleshooting & Fixes)

Run: ./tinydbclient "update SiteFilter set DetectReliability=0" Run: /etc/boxinit.d/60winroute restart

: Use Cloudflare (1.1.1.1) or OpenDNS (208.67.222.222) as custom DNS servers specifically for *.zvelo.com domains. 🛠️ Summary of Quick Fix Workarounds Primary Solution

Navigate to > Content Filter > Kerio Control Web Filter . Uncheck Enable Kerio Control Web Filter and click Apply . Wait 30 seconds.

By verifying your license status, ensuring your DNS and WAN connections are stable, and checking the Advanced Options to ensure the service is enabled, you can quickly restore security and filtering to your network environment.

Once the Web Filter is functioning, ensure that your HTTPS traffic is also filtered. Because most modern websites use encryption, the Web Filter cannot categorize HTTPS content without additional configuration.

Sometimes the cause is simpler: the Web Filter module may not be properly enabled in the administration interface. Before looking for complex problems, verify that the module is activated and configured to categorize all relevant traffic. support

Since the Web Filter relies on external servers, ensure your Kerio Control appliance can reach them.

| Symptom | Most Likely Cause | Quick Fix | |---------|------------------|------------| | Web Filter shows as "not activated" in Webadmin | Licensing or connectivity issue | Check license validity; verify server connectivity | | "DNS response timeout" in Error logs | ISP or DNS configuration problem | Switch to Cloudflare/OpenDNS; apply SSH fix | | "Invalid Authorization" in Warning logs | Expired Zvelo token (expires every 21 days) | Set custom DNS forward for *.zvelo.com; reboot | | Web Filter was working but suddenly stopped | Reliability detection triggered | Apply SSH commands to disable reliability detection | | Web Filter works but web pages load slowly | ISP DNS request throttling | Configure custom DNS for *.zvelo.com | | Web Filter not working after 30 days | Trial period expired | Purchase and apply Web Filter license |

Guide you through for the zvelo servers.