STIGQter: STIG Summary: VMware vSphere 8.0 vCenter Appliance PostgreSQL Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 01 Jul 2026:

The vCenter PostgreSQL service must limit the number of concurrent sessions.

DISA Rule

SV-259166r960735_rule

Vulnerability Number

V-259166

Group Title

SRG-APP-000001-DB-000031

Rule Version

VCPG-80-000001

Severity

CAT II

CCI(s)

• CCI-000054 - Limit the number of concurrent sessions for each organization-defined account and/or account type to an organization-defined number.

Weight

10

Fix Recommendation

At the command prompt, run the following command:

# vmon-cli --restart vmware-vpostgres

Note: Restarting the service runs the "pg_tuning" script that will configure "max_connections" to the appropriate value based on the allocated memory for vCenter.

Check Contents

At the command prompt, run the following command:

# /opt/vmware/vpostgres/current/bin/psql -U postgres -A -t -c "SHOW max_connections;"

If the returned number is not greater than or equal to 100 and less than or equal to 1000, this is a finding.

Vulnerability Number

V-259166

Documentable

False

Rule Version

VCPG-80-000001

Severity Override Guidance

At the command prompt, run the following command:

# /opt/vmware/vpostgres/current/bin/psql -U postgres -A -t -c "SHOW max_connections;"

If the returned number is not greater than or equal to 100 and less than or equal to 1000, this is a finding.

Check Content Reference

M

Target Key

5570