Title

The audit system must alert the SA when the audit storage volume approaches its capacity. (Cat II impact)

Discussion

Filling the audit storage area can result in a denial of service or system outage and can lead to events going undetected.

Check Content

This check applies to the global zone only. Determine the zone that you are currently securing. # zonename If the command output is "global", this check applies. The root role is required. Verify the presence of an audit_warn entry in /etc/mail/aliases. # /usr/lib/sendmail -bv audit_warn If the response is: audit_warn... User unknown this is a finding. Review the output of the command and verify that the audit_warn alias notifies the appropriate users in this form: audit_warn:user1,user2 If an appropriate user is not listed, this is a finding.

Fix Text

The root role is required. This action applies to the global zone only. Determine the zone that you are currently securing. # zonename If the command output is "global", this action applies. Add an audit_warn alias to /etc/mail/aliases that will forward to designated system administrator(s). # pfedit /etc/mail/aliases Insert a line in the form: audit_warn:user1,user2 Put the updated aliases file into service. # newaliases

Additional Identifiers

Rule ID: SV-219965r971542_rule

Vulnerability ID: V-219965

Group Title: SRG-OS-000343

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.