Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
RHEL 9 must configure a DNS processing mode set be Network Manager.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257949 | RHEL-09-252040 | SV-257949r991589_rule | Medium |
| Description |
|---|
| In order to ensure that DNS resolver settings are respected, a DNS mode in Network Manager must be configured. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Details
| Check Text ( C-61690r925832_chk ) |
|---|
| Verify that RHEL 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. |
| Fix Text (F-61614r925833_fix) |
|---|
| Configure NetworkManager in RHEL 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 |