4.4
Linux Host Security
As you study this section, answer the following questions:
How do you check for unnecessary network services on a Linux system?
Why is it important to identify open ports? What utility can identify open ports?
Which utility can identify network statistics on a system?
Which commands should you use to disable unneeded daemons?
What are iptables?
In this section, you will learn to:
Remove unnecessary services and scan ports.
Install and update iptables.
Identify network connections on a system.
Key terms for this section include the following:
Term
Definition
iptable
s
iptables is a firewall command line utility for Linux operation systems that uses three policy chains to allow or block network traffic.
This section helps you prepare for the following certification exam objectives:
Exam
Objective
CompTIA Security+ SY0-
601
3.2 Given a scenario, implement host or application security solutions.
Endpoint protection
o
Host-based firewall
Copyright © 2022 TestOut Corporation All rights reserved.
