This section explores networking fundamentals and various network-related vulnerabilities and mechanisms provided for securing networks like firewalls, IDS/IPS, and Virtual Private Networks.
Chapter 9, “Understanding Networks and Network Security,” introduces networking fundamentals, including the components of basic communication and computer communication. A network connects two or more computers to communicate with each other or for the exchange of information among the systems. Networking is the sharing of resources within the network. Data communication and computer networking go hand in hand. Data communication ...