IMNPTF filter driver is not installed.

1 Reason

IMNPTF filter driver is not installed. In pass-through mode, the IMNPTF driver is required to block udp traffic. Without this driver, some udp applications can not be blocked.

2 Solution

• Install driver in the "drivers" directory of WFilter.
• Please check: How to install WFilter IMNPTF driver?

3 Links

• Business Web Filtering
• Business Internet Monitoring
• Internet Blocking Software