Selecting File --> SKIP Statistics --> Authentication Stats displays the Authentication Statistics window, shown in the following figure, which provides information on MACs (Message Authentication Code).

A brief description of each field on the Authentication Stats window is given below:
| MAC_Module_Name | MAC method used for authentication. | 
| in_mac | Number of received MAC calculations that succeeded. | 
| in_mac_errs | Number of received MAC calculations that failed. | 
| out_mac | Number of sent MAC calculations that succeeded. | 
| out_mac_errs | Number of sent MAC calculations that failed. |