The word “hacking” has two definitions. The first definition refers to the hobby/profession of working with computers. The second definition refers to breaking into computer systems. While the first definition is older and is still used by many computer enthusiasts (who refer to cyber-criminals as “crackers”), the second definition is much more commonly used.
I’m sure you bumped into situations where you needed to fake IP address in a capture file. This maybe required when you’re trying to send the capture file to someone …