ปลาวาฬทราย,
The key to following the path is terms are evaluated in order.
The terms stop evaluating when a final action is taken.
In this filter log is not a final action to so the traffic is logged and we proceed to the next term.
The second term denies the traffic which is a final action so the 3rd term is not evaluated.
Kingsman,
Not everyone has access to gear or virtualization to create a lab so they rely on books and the kindness of forums.