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centos7:2:2:2 [2017/05/04 13:55] (current)
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 +======2.2.2 Ensure X Window System is not installed (Scored)======
 +=====Profile Applicability=====  ​
 +<​code>​
 +Level 1 - Server ​
 +</​code>​
  
 +=====Description=====
 +The X Window System provides a Graphical User Interface (GUI) where users can have multiple windows in which to run programs and various add on. The X Windows system is typically used on workstations where users login, but not on servers where users typically do not login.
 +
 +=====Rationale=====
 +Unless your organization specifically requires graphical login access via X Windows, remove it to reduce the potential attack surface.
 +
 +=====Audit===== ​
 +Run the following command and verify no output is returned:
 +<​Code:​bash>​
 +# rpm -qa xorg-x11*
 +</​Code>​
 +
 +=====Remediation===== ​
 +Run the following command to remove the X Windows System packages:
 +<​Code:​bash>​
 +# yum remove xorg-x11*
 +</​Code>​