Details

The GNOME Display Manager (GDM) is a program that manages graphical display servers and handles graphical user logins.

Rationale:

If a Graphical User Interface (GUI) is not required, it should be removed to reduce the attack surface of the system.

Impact:

Removing the GNOME Display manager will remove the GUI from the system.

Solution

Run the following command to remove the gdm package

# yum remove gdm

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/3636

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-7(4)
• CSCv7|2.6

Source

• Tenable.com/audits