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The EDB Postgres Advanced Server must by default shut down upon audit failure, to include the unavailability of space for more audit log records; or must be configurable to shut down upon audit failure.


Finding ID Version Rule ID IA Controls Severity
V-213577 PPS9-00-002300 SV-213577r508024_rule Medium
It is critical that when the DBMS 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 mode. When the need for system availability does not outweigh the need for a complete audit trail, the DBMS should shut down immediately, rolling back all in-flight transactions. Systems where audit trail completeness is paramount will most likely be at a lower MAC level than MAC I; the final determination is the prerogative of the application owner, subject to Authorizing Official concurrence. In any case, sufficient auditing resources must be allocated to avoid a shutdown in all but the most extreme situations.
EDB Postgres Advanced Server Security Technical Implementation Guide 2022-06-13


Check Text ( C-14799r290043_chk )
If Postgres Enterprise Manager (PEM) is not installed and configured to shut down the database when the audit log is full, this is a finding.
Fix Text (F-14797r290044_fix)
Install PEM and configure an alert to shut down the PPAS server when the audit log mount point is at 99 percent full. Refer to the Supplemental Procedures document, supplied with this STIG, for guidance on configuring alerts.