The EDB Postgres Advanced Server must generate audit records when unsuccessful logons or connection attempts occur.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-259317	EPAS-00-011900	SV-259317r939004_rule		Medium

Description
For completeness of forensic analysis, it is necessary to track failed attempts to log on to the DBMS. While positive identification may not be possible in a case of failed authentication, as much information as possible about the incident must be captured.

STIG	Date
EnterpriseDB Postgres Advanced Server (EPAS) Security Technical Implementation Guide	2023-11-20

Details

Check Text ( C-63056r939002_chk )
Execute the following SQL as the "enterprisedb" operating system user: > psql edb -c "SHOW edb_audit_connect" If the result is not "all" or if the current setting for this requirement has not been noted and approved by the organization in the system documentation, this is a finding.

Fix Text (F-62965r939003_fix)
Execute the following SQL as the "enterprisedb" operating system user: > psql edb -c "ALTER SYSTEM SET edb_audit_connect = 'all'" > psql edb -c "ALTER SYSTEM SET edb_audit_disconnect = 'all'" > psql edb -c "SELECT pg_reload_conf()" or Update the system documentation to note the organizationally approved setting and corresponding justification of the setting for this requirement.