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. The following is a partial list of the used files, terms and utilities: * find * passwd * lsof * nmap * chage * netstat * sudo * /etc/sudoers * su * sermod * ulimit
