V-279569

Discussion

It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability, and system operation may be adversely affected. Audit processing failures include software/hardware errors, failures in the audit capturing mechanisms, and audit storage capacity being reached or exceeded. This requirement applies to each audit data storage repository (i.e., distinct information system component where audit records are stored), the centralized audit storage capacity of organizations (i.e., all audit data storage repositories combined), or both.

Check Content

1. Verify Nutanix OS is set to notify the SA and ISSO in the event of an audit processing failure using the following command.

$ sudo grep action_mail_acct /etc/audit/auditd.conf
action_mail_acct = root

If "action_mail_acct" is not set to "root" or the keyword is missing, this is a finding.

2. Verify Nutanix OS is set to notify administrators in the event of an auditing processing failure using the following command.

$ sudo grep -i "postmaster:\s*root$" /etc/aliases
postmaster: root

If the command does not return a line, or is commented out, this is a finding.