The audit event multiplexor must be configured to off-load audit logs onto a different system or storage media from the system being audited.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-75659	UBTU-16-020210	SV-90339r2_rule		Medium

Description
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity.

STIG	Date
Canonical Ubuntu 16.04 LTS Security Technical Implementation Guide	2018-07-18

Details

Check Text ( C-75363r2_chk )
Verify the audit event multiplexor is configured to off-load audit records to a different system or storage media from the system being audited. Check that the records are being off-loaded to a remote server with the following command: # sudo grep -i active /etc/audisp/plugins.d/au-remote.conf active = yes If "active" is not set to "yes", or the line is commented out, this is a finding.

Fix Text (F-82287r2_fix)
Configure the audit event multiplexor to off-load audit records to a different system or storage media from the system being audited. Set the "active" option in "/etc/audisp/plugins.d/au-remote.conf" to "yes": active = yes In order for the changes to take effect, the audit daemon must be restarted. The audit daemon can be restarted with the following command: # sudo systemctl restart auditd.service

Fix Text (F-82287r2_fix)

Configure the audit event multiplexor to off-load audit records to a different system or storage media from the system being audited.

Set the "active" option in "/etc/audisp/plugins.d/au-remote.conf" to "yes":

active = yes

In order for the changes to take effect, the audit daemon must be restarted. The audit daemon can be restarted with the following command:

# sudo systemctl restart auditd.service