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V-280997

CAT II (Medium)

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

Rule ID

SV-280997r1195387_rule

STIG

Red Hat Enterprise Linux 10 Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000139

Discussion

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

Check Content

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.

Fix Text

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