The macOS system must configure audit capacity warning.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-268468 | APPL-15-001030 | SV-268468r1034344_rule | CCI-000139 | medium |
| Description | ||||
| The audit service must be configured to notify the system administrator when the amount of free disk space remaining reaches an organization-defined value. This rule ensures that the system administrator is notified in advance that action is required to free up more disk space for audit logs. Satisfies: SRG-OS-000046-GPOS-00022, SRG-OS-000343-GPOS-00134 | ||||
| STIG | Date | |||
| Apple macOS 15 (Sequoia) Security Technical Implementation Guide | 2025-05-05 | |||
Details
Check Text (C-268468r1034344_chk)
Verify the macOS system is configured to require a minimum of 25 percent free disk space for audit record storage with the following command:
/usr/bin/awk -F: '/^minfree/{print $2}' /etc/security/audit_control
If the result is not "25", this is a finding.
Fix Text (F-72399r1034343_fix)
Configure the macOS system to require a minimum of 25 percent free disk space for audit record storage with the following command:
/usr/bin/sed -i.bak 's/.*minfree.*/minfree:25/' /etc/security/audit_control; /usr/sbin/audit -s