STIGQter: STIG Summary: Oracle Linux 9 Security Technical Implementation Guide Version: 1 Release: 6 Benchmark Date: 01 Jul 2026:

OL 9 must be configured so that the firewalld service is active.

DISA Rule

SV-271470r1092618_rule

Vulnerability Number

V-271470

Group Title

SRG-OS-000096-GPOS-00050

Rule Version

OL09-00-000221

Severity

CAT II

CCI(s)

CCI-000382 - Configure the system to prohibit or restrict the use of organization-defined prohibited or restricted functions, system ports, protocols, software, and/or services.
CCI-002314 - Employ automated mechanisms to control remote access methods.

Weight

Fix Recommendation

Enable the firewalld service with the following command:

$ sudo systemctl enable --now firewalld

Note: If firewalld is masked, run following command:

sudo systemctl unmask firewalld

Check Contents

Verify that OL 9 firewalld is active with the following command:

$ systemctl is-active firewalld
active

If the firewalld service is not active, this is a finding.

Vulnerability Number

V-271470

Documentable

False

Rule Version

OL09-00-000221

Severity Override Guidance

Verify that OL 9 firewalld is active with the following command:

$ systemctl is-active firewalld
active

If the firewalld service is not active, this is a finding.

Check Content Reference

Target Key

5680