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

OL 9 must configure a DNS processing mode set be Network Manager.

DISA Rule

SV-271860r1092292_rule

Vulnerability Number

V-271860

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

OL09-00-006002

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure NetworkManager in OL 9 to use a DNS mode.

In "/etc/NetworkManager/NetworkManager.conf" add the following line in the "[main]" section:

dns = none

NetworkManager must be reloaded for the change to take effect.

$ sudo systemctl reload NetworkManager

Check Contents

Verify that OL 9 has a DNS mode configured in Network Manager.

$ NetworkManager --print-config
[main]
dns=none

If the DNS key under main does not exist or is not set to "none" or "default", this is a finding.

Vulnerability Number

V-271860

Documentable

False

Rule Version

OL09-00-006002

Severity Override Guidance

Verify that OL 9 has a DNS mode configured in Network Manager.

$ NetworkManager --print-config
[main]
dns=none

If the DNS key under main does not exist or is not set to "none" or "default", this is a finding.

Check Content Reference

M

Target Key

5680