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RHEL-10-200690 RHEL 10 must notify designated personnel if baseline configurations are changed in an unauthorized manner.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to AU-5 via CCI-000139

Title

RHEL 10 must notify designated personnel if baseline configurations are changed in an unauthorized manner.

Control

Verify RHEL 10 is configured to allow sending email notifications. Note: The "postfix" package provides the "mail" command that is used to send email messages. Verify that the "postfix" package is installed on the system: $ sudo dnf list --installed postfix Installed Packages postfix.x86_64 2:3.8.5-8.el10 @AppStream If the "postfix" package is not installed, this is a finding.

Discussion

The "postfix" package provides the mail command required to allow sending email notifications of unauthorized configuration changes to designated personnel.

Related controls

CCI-000139

Fix

Configure RHEL 10 to notify designated personnel if baseline configurations are changed in an unauthorized manner. Install the postfix package with the following command: $ sudo dnf -y install postfix