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How To Guides for UNIX System Security

"How To" Guides for UNIX System Security

Commands Useful commands for monitoring and analyzing UNIX system security.

These are some useful commands for monitoring and analyzing the security of UNIX systems. If security needs to be reviewed periodically, a series of commands could be put into a script and run automatically with the output sent directly to the system administrators to ensure the reports get reviewed.

Check for root Users awk -F: '{if ($3 == 0) print $1}' /etc/passwd

This command searches the /etc/passwd file and lists all users with root (UID 0) authority.

Failed Logins who -s /etc/security/failedlogin | tail -20

This command lists the last 20 failed logins.

Wednesday October 11, 2006
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