STIGQter: STIG Summary: Microsoft IIS 10.0 Site Security Technical Implementation Guide Version: 2 Release: 16 Benchmark Date: 01 Jul 2026:

The Idle Time-out monitor for each IIS 10.0 website must be enabled.

DISA Rule

SV-218762r1192782_rule

Vulnerability Number

V-218762

Group Title

SRG-APP-000295-WSR-000012

Rule Version

IIST-SI-000235

Severity

CAT II

CCI(s)

CCI-002361 - Automatically terminate a user session after organization-defined conditions or trigger events requiring session disconnect.

Weight

Fix Recommendation

Follow the procedures below for each site hosted on the IIS 10.0 web server:

Open the IIS 10.0 Manager.

Click the Application Pools.

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 "Idle Time-out" to something other than "0". "20" or less is recommended if the amount of RAM on the system is limited.

Check Contents

Note: If the IIS 10.0 installation is supporting Microsoft Exchange, WSUS, or SharePoint and is not otherwise hosting any content, this requirement is not applicable.

Follow the procedures below for each site hosted on the IIS 10.0 web server:

Open the IIS 10.0 Manager.

Click the Application Pools.

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 "Idle Time-out" is not "0".

If the "Idle Time-out" is set to "0", this is a finding.

The Idle Time-out monitor for each IIS 10.0 website must be enabled.

DISA Rule

Vulnerability Number

Group Title

Rule Version

Severity

CCI(s)

Weight

Fix Recommendation

Check Contents

Vulnerability Number

Documentable

Rule Version

Severity Override Guidance

Check Content Reference

Target Key