Before we develop our skills on network forensics, we need to have certain basic fundamentals in place.
A network, in general parlance, is a group of computers/devices that are connected to each other. The connection could be wired or wireless. Every device on the network has a unique network address. This can be temporary (session specific) or permanent. Addresses are numeric quantities that are easy for computers to work with; however, they are not for humans to remember. These are known as IP addresses. For example
126.96.36.199. Consider the following diagram:
To make these numeric addresses ...