The IIS 10.0 web server must not be running on a system providing any other role.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-218817	IIST-SV-000148	SV-218817r561041_rule		Medium

Description
Web servers provide numerous processes, features, and functionalities that utilize TCP/IP ports. Some of these processes may be deemed unnecessary or too unsecure to run on a production system. The web server must provide the capability to disable or deactivate network-related services deemed non-essential to the server mission, are too unsecure, or are prohibited by the PPSM CAL and vulnerability assessments.

Description

Web servers provide numerous processes, features, and functionalities that utilize TCP/IP ports. Some of these processes may be deemed unnecessary or too unsecure to run on a production system. The web server must provide the capability to disable or deactivate network-related services deemed non-essential to the server mission, are too unsecure, or are prohibited by the PPSM CAL and vulnerability assessments.

STIG	Date
Microsoft IIS 10.0 Server Security Technical Implementation Guide	2020-09-25

Details

Check Text ( C-20289r310926_chk )
Review programs installed on the OS. Open Control Panel. Open Programs and Features. The following programs may be installed without any additional documentation: Administration Pack for IIS IIS Search Engine Optimization Toolkit Microsoft .NET Framework version 3.5 SP1 or greater Microsoft Web Platform Installer version 3.x or greater Virtual Machine Additions Review the installed programs, if any programs are installed other than those listed above, this is a finding. Note: If additional software is needed and has supporting documentation signed by the ISSO, this is not a finding.

Check Text ( C-20289r310926_chk )

Review programs installed on the OS.

Open Control Panel.

Open Programs and Features.

The following programs may be installed without any additional documentation:

Administration Pack for IIS
IIS Search Engine Optimization Toolkit
Microsoft .NET Framework version 3.5 SP1 or greater
Microsoft Web Platform Installer version 3.x or greater
Virtual Machine Additions

Review the installed programs, if any programs are installed other than those listed above, this is a finding.

Note: If additional software is needed and has supporting documentation signed by the ISSO, this is not a finding.

Fix Text (F-20287r310927_fix)
Remove all unapproved programs and roles from the production web server.