Monitor login and logout events. The parameters below track changes to files associated with login/logout events. The file /var/log/faillog tracks failed events from login. The file /var/log/lastlog maintain records of the last time a user successfully logged in. The file /var/log/tallylog maintains records of failures via the pam_tally2 module Rationale: Monitoring login/logout events could provide a system administrator with information associated with brute force attacks against user logins. Fix: Edit the /etc/audit/audit.rules file to include the following lines: -w /var/log/faillog -p wa -k logins -w /var/log/lastlog -p wa -k logins -w /var/log/tallylog -p wa -k logins

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Edit the /etc/audit/audit.rules file to include the following lines: -w /var/log/faillog -p wa -k logins -w /var/log/lastlog -p wa -k logins -w /var/log/tallylog -p wa -k logins