LPI Linux Certification/Setup Host Security

Weight: 3

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

• Key knowledge area(s):
  • 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
  • /etc/inetd.d/*
  • /etc/inetd.conf
  • /etc/inittab
  • /etc/init.d/*
  • /etc/hosts.allow
  • /etc/hosts.deny