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The vRA PostgreSQL database must set log_connections to on.


Overview

Finding ID Version Rule ID IA Controls Severity
V-89437 VRAU-PG-000450 SV-100087r1_rule Medium
Description
For completeness of forensic analysis, it is necessary to track who logs on to the DBMS. Concurrent connections by the same user from multiple workstations may be valid use of the system; or such connections may be due to improper circumvention of the requirement to use the CAC for authentication; or they may indicate unauthorized account sharing; or they may be because an account has been compromised. (If the fact of multiple, concurrent logons by a given user can be reliably reconstructed from the log entries for other events (logons/connections; voluntary and involuntary disconnections), then it is not mandatory to create additional log entries specifically for this.)
STIG Date
VMW vRealize Automation 7.x PostgreSQL Security Technical Implementation Guide 2018-10-12

Details

Check Text ( C-89129r1_chk )
At the command prompt, execute the following command:

# grep '^\s*log_connections\b' /storage/db/pgdata/postgresql.conf

If "log_connections" is not "on", this is a finding.
Fix Text (F-96179r1_fix)
At the command prompt, execute the following commands:

# /opt/vmware/vpostgres/current/bin/psql -U postgres -c "ALTER SYSTEM SET log_connections TO 'on';"
# /opt/vmware/vpostgres/current/bin/psql -U postgres -c "SELECT pg_reload_conf();"