Overview
The following task is to establish host security to alleviate the vulnerability of network services. This lab provides guidance on performing security best practices in a Linux environment of the Linux+. By completing this lab, students will learn how to establish host security.
OUTCOMES:
In this lab, you will learn to:
- Secure login accounts
- Security services
- Manage network services
Key terms and descriptions
/etc/passwd
All accounts on a Linux system are stored in this file.
/etc/shadow
All passwords for accounts on a Linux system are stored in this file
/etc/nologin
This file prevents all uses from logging in except the root user.
/etc/hosts.deny
A file that blocks all services to clients listed in this file.