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  4. Ensure system is disabled when audit logs are full – root

Ensure system is disabled when audit logs are full – root

Details

The auditd daemon can be configured to halt the system when the audit logs are full.

Rationale:

In high security contexts, the risk of detecting unauthorized access or nonrepudiation exceeds the benefit of the system’s availability.

Solution

Set the following parameters in /etc/audit/auditd.conf:

space_left_action = email
action_mail_acct = root
admin_space_left_action = halt

Supportive Information

The following resource is also helpful.

This security hardening control applies to the following category of controls within NIST 800-53: Audit and Accountability.This control applies to the following type of system Unix.

References

Source

Updated on July 16, 2022
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