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  3. DISA STIG Ubuntu 18.04 LTS v2r4

UBTU-18-010006 - 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 - action_mail_acct

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Gavin M. Dennis
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Details

If security personnel are not notified immediately when storage volume reaches 75% utilization, they are unable to plan for audit record storage capacity expansion.


Solution

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.


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


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