Objectives
In this chapter you will learn
Some basic networking concepts
To define and describe the TCP/IP five-layer network model
The structure of IPv4 and IPv6 addresses
To define and use Classless Inter-Domain Routing (CIDR) network notation
How to use simple tools to explore network ranges and subnetting
Basic client-side DHCP network configuration
How to use Linux CLI tools to explore and understand the host network configuration
The basics of routing
To manage firewalls using IPtables and ufw
Introduction
Today, in 2019, nearly every electronic device on the planet is connected to the Internet. Devices ...
