To select the traffic detection tools, do the following:

1. Open the Interfaces tab in the System Settings window (1).
2. Select the Traffic Monitor object in the objects tree (2).
3. Select an item in the Available detection tools list (3).
4. Click the button (4) to move the selected item to the Selected detection tools list (5).
   
5. Click the Apply button to save the changes (6).

The traffic detection tools are now selected.