The IIS 8.5 website must have a unique application pool.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-214484	IISW-SI-000251	SV-214484r879887_rule		Medium

Description
Application pools isolate sites and applications to address reliability, availability, and security issues. Sites and applications may be grouped according to configurations, although each site will be associated with a unique application pool.

STIG	Date
Microsoft IIS 8.5 Site Security Technical Implementation Guide	2022-12-09

Details

Check Text ( C-15693r814373_chk )
Note: If the IIS Application Pool is hosting Microsoft SharePoint, this is Not Applicable. If this IIS 8.5 installation is supporting Microsoft Exchange and not otherwise hosting any content, this requirement is Not Applicable. Open the IIS 8.5 Manager. Expand "Sites" from the "Connections" pane. For every Site listed: Highlight Site name. Click "Basic Settings" and document the name of the Application Pool. If any Application Pools are being used for more than one website, this is a finding.

Check Text ( C-15693r814373_chk )

Note: If the IIS Application Pool is hosting Microsoft SharePoint, this is Not Applicable.

If this IIS 8.5 installation is supporting Microsoft Exchange and not otherwise hosting any content, this requirement is Not Applicable.

Open the IIS 8.5 Manager.

Expand "Sites" from the "Connections" pane. For every Site listed:

Highlight Site name. Click "Basic Settings" and document the name of the Application Pool.

If any Application Pools are being used for more than one website, this is a finding.

Fix Text (F-15691r505328_fix)
Open the IIS 8.5 Manager. Click the site name under review. Assign a unique application pool to each website.