Objectives
In this chapter you will learn to
-
Describe the function of a firewall.
-
Define and describe the term “port.”
-
Use firewalld zones for firewall management under different sets of circumstances.
-
Set a default zone.
-
Assign network interfaces to a zone.
-
Modify existing zones.
-
Create a new zone to meet a set of specifications.
-
Integrate Fail2ban dynamic firewall software with firewalld to automate protection against specific Internet attacks.
Introducing Firewalls
Firewalls are a vital part of ...
