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The application pools pinging monitor for each IIS 10.0 website must be enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-218776 IIST-SI-000257 SV-218776r766907_rule Medium
Description
Windows Process Activation Service (WAS) manages application pool configurations and may flag a worker process as unhealthy and shut it down. An application pool’s pinging monitor must be enabled to confirm worker processes are functional. A lack of response from the worker process might mean the worker process does not have a thread to respond to the ping request, or it is hanging for some other reason. The ping interval and ping response time may need adjustment to gain access to timely information about application pool health without triggering false, unhealthy conditions; for example, instability caused by an application.
STIG Date
Microsoft IIS 10.0 Site Security Technical Implementation Guide 2022-06-23

Details

Check Text ( C-20249r766906_chk )
If this IIS 10.0 installation is supporting Microsoft Exchange, and not otherwise hosting any content, this requirement is Not Applicable.

Open the Internet Information Services (IIS) Manager.

Click "Application Pools".

Perform the following for each Application Pool:

Highlight an Application Pool to review and click "Advanced Settings" in the "Actions" pane.

Scroll down to the "Process Model" section and verify the value for "Ping Enabled" is set to "True".

If the value for "Ping Enabled" is not set to "True", this is a finding.
Fix Text (F-20247r311227_fix)
Open the IIS 10.0 Manager.

Click "Application Pools".

Perform the following for each Application Pool:

Highlight an Application Pool to review and click "Advanced Settings" in the "Actions" pane.

Scroll down to the "Process Model" section and set the value for "Ping Enabled" to "True".

Click "OK".