For those of you who read my material regularly, I’m sure you will remember me referring to ‘baselines’ and ‘tool calibration’ exercises.
The point is for you to take a closer look at your tools or applications and understand how they behave and in some cases what changes version changes may bring.
In this specific example I was working with Wireshark and noticed the ‘dropped’ packet counter is missing from the status bar and found it elsewhere.