LPI Linux Certification/Setup Host Security

Detailed Objectives edit

(LPIC-1 Version 5.0)

Weight: 3

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