X Window System connections that are not required must be disabled.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-216314SRG-OS-000480SOL-11.1-020560SV-216314r959010_rule2026-02-193

Description

If unauthorized clients are permitted access to the X server, a user's X session may be compromised.

ℹ️ Check

Determine if the X Window system is running. Procedure: # ps -ef |grep X Ask the SA if the X Window system is an operational requirement. If it is not, this is a finding.

✔️ Fix

Disable the X Windows server on the system.