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

OL 9 networked systems must have and implement SSH to protect the confidentiality and integrity of transmitted and received information, as well as information during preparation for transmission.

DISA Rule

SV-271483r1091161_rule

Vulnerability Number

V-271483

Group Title

SRG-OS-000423-GPOS-00187

Rule Version

OL09-00-000251

Severity

CAT II

CCI(s)

• CCI-002418 - Protect the confidentiality and/or integrity of transmitted information.
• CCI-002421 - Implement cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission.
• CCI-002420 - Maintain the confidentiality and/or integrity of information during preparation for transmission.
• CCI-002422 - Maintain the confidentiality and/or integrity of information during reception.

Weight

10

Fix Recommendation

Enable the sshd service with the following command:

$ systemctl enable --now sshd

Check Contents

Verify that OL 9 networked systems implement SSH to protect the confidentiality and integrity of transmitted and received information, as well as information during preparation for transmission.

Verify that "sshd" is active with the following command:

$ systemctl is-active sshd
active

If the "sshd" service is not active, this is a finding.

Vulnerability Number

V-271483

Documentable

False

Rule Version

OL09-00-000251

Severity Override Guidance

Verify that OL 9 networked systems implement SSH to protect the confidentiality and integrity of transmitted and received information, as well as information during preparation for transmission.

Verify that "sshd" is active with the following command:

$ systemctl is-active sshd
active

If the "sshd" service is not active, this is a finding.

Check Content Reference

M

Target Key

5680