Rule ID
SV-268468r1034344_rule
Version
V1R7
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
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.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