The Ubuntu operating system must immediately notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75% of the repository maximum audit record storage capacity.
An XCCDF Rule
Description
If security personnel are not notified immediately when storage volume reaches 75% utilization, they are unable to plan for audit record storage capacity expansion.
- ID
- SV-219152r877389_rule
- Version
- UBTU-18-010006
- Severity
- Low
- References
- Updated
Remediation Templates
A Manual Procedure
Edit /etc/audit/auditd.conf and set the space_left_action parameter to "exec" or "email".
If the space_left_action parameter is set to "email" set the action_mail_acct parameter to an e-mail address for the System Administrator (SA) and Information System Security Officer (ISSO).
If the space_left_action parameter is set to "exec", make sure the command being execute notifies the System Administrator (SA) and Information System Security Officer (ISSO).
Edit /etc/audit/auditd.conf and set the space_left parameter to be, at least, 25% of the repository maximum audit record storage capacity.