The graphical display manager must not be installed on OL 8 unless approved.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-248898	SRG-OS-000480-GPOS-00227	OL08-00-040320	SV-248898r991589_rule	2025-02-20	2

Description
Internet services that are not required for system or application processes must not be active to decrease the attack surface of the system. X Windows has a long history of security vulnerabilities and will not be used unless approved and documented.

ℹ️ Check
Verify that if the system has a display server installed, it is authorized. Check for the display server package with the following example command: $ sudo rpm -qa \| grep xorg \| grep server Ask the System Administrator if use of the display server is an operational requirement. If the use of a display server on the system is not documented with the Information System Security Officer (ISSO), this is a finding.

ℹ️ Check

Verify that if the system has a display server installed, it is authorized. Check for the display server package with the following example command: $ sudo rpm -qa | grep xorg | grep server Ask the System Administrator if use of the display server is an operational requirement. If the use of a display server on the system is not documented with the Information System Security Officer (ISSO), this is a finding.

✔️ Fix
Document the requirement for a display server with the ISSO or remove the related packages with the following example command: $ sudo rpm -e xorg-x11-server-common