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V-55333

In the event of a logging failure, caused by loss of communications with the central logging server, the IDPS must queue audit records locally until communication is restored or until the audit records are retrieved manually or using automated synchronization tools.

Finding ID
SRG-NET-000089-IDPS-00010
Rule ID
SV-69579r1_rule
Severity
Cat II
CCE
(None)
Group Title
SRG-NET-000089-IDPS-00010
CCI
CCI-000140
Target Key
(None)
Documentable
No
Discussion

It is critical that when the IDPS is at risk of failing to process audit logs as required, it take action to mitigate the failure. Audit processing failures include: software/hardware errors; failures in the audit capturing mechanisms; and audit storage capacity being reached or exceeded. Responses to audit failure depend upon the nature of the failure. The IDPS performs a critical security function, so its continued operation is imperative. Since availability of the IDPS is an overriding concern, shutting down the system in the event of an audit failure should be avoided, except as a last resort. The SYSLOG protocol does not support automated synchronization, however this functionality may be provided by Network Management Systems (NMSs) which are not within the scope of this SRG.

Fix Text

Configure the IDPS, in the event of a logging failure caused by loss of communications with the central logging server, to queue audit records locally until communication is restored or until the audit records are retrieved manually or using automated synchronization tools.

Check Content

Verify the IDPS, in the event of a logging failure caused by loss of communications with the central logging server, queues audit records locally until communication is restored or until the audit records are retrieved manually or using automated synchronization tools. In the event of a logging failure caused by loss of communications with the central logging server, if the IDPS does not queue audit records locally until communication is restored or until the audit records are retrieved manually or using automated synchronization tools, this is a finding.