LPI Linux Certification/Setup Host Security

Detailed Objectives

(LPIC-1 Version 5.0)

Weight: 3

Description:
Candidates should know how to set up a basic level of host security.

Key Knowledge Areas:

• Awareness of shadow passwords and how they work.
• Turn off network services not in use.
• Understand the role of TCP wrappers.

The following is a partial list of the used files, terms and utilities:

• /etc/nologin
• /etc/passwd
• /etc/shadow
• /etc/xinetd.d/
• /etc/xinetd.conf
• systemd.socket
• /etc/inittab
• /etc/inetd.d/
• /etc/hosts.allow
• /etc/hosts.deny