Setup host security

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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.

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


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