© David Both 2020
David BothUsing and Administering Linux: Volume 2https://doi.org/10.1007/978-1-4842-5455-4_12

12. Networking

David Both
Raleigh, NC, USA


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


Today, in 2019, nearly every electronic device on the planet is connected to the Internet. ...

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