Chapter 15 Unified Threat Management for FortiOS 5.0 : Application control : Enable application control : Creating an application sensor
  
Creating an application sensor
You need to create an application sensor before you can enable application control.
To create an application sensor
1. Go to Security Profiles > Application Control > Application Sensor.
2. Select the Create New icon in the title bar of the Edit Application Sensor window.
3. In the Name field, enter the name of the new application sensor.
4. Optionally, you may also enter a comment.
5. Select OK.
The application sensor is created and the sensor configuration window appears. A newly created application sensor is empty. Without applications, the application sensor will have no effect.