Description: Candidates should know how to review system configuration to ensure host security in accordance with local security policies.
Key Knowledge Areas
◈ Audit a system to find files with the suid/sgid bit set.
◈ Set or change user passwords and password aging information.
◈ Being able to use nmap and netstat to discover open ports on a system.
◈ Set up limits on user logins, processes and memory usage.
◈ Basic sudo configuration and usage.
Terms and Utilities
◈ find
◈ passwd
◈ lsof
◈ nmap
◈ chage
◈ netstat
◈ sudo
◈ /etc/sudoers
◈ su
◈ usermod
◈ ulimit
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