STIGQter: STIG Summary: Microsoft IIS 8.5 Site Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The IIS 8.5 website must be configured to limit the size of web requests.

DISA Rule

SV-214465r508659_rule

Vulnerability Number

V-214465

Group Title

SRG-APP-000246-WSR-000149

Rule Version

IISW-SI-000226

Severity

CAT II

CCI(s)

• CCI-001094 - The information system restricts the ability of individuals to launch organization-defined denial of service attacks against other information systems.

Weight

10

Fix Recommendation

Follow the procedures below for each site hosted on the IIS 8.5 web server:

Open the IIS 8.5 Manager.

Click the site name under review.

Double-click the "Request Filtering" icon.

Click “Edit Feature Settings” in the "Actions" pane.

Set the "maxAllowedContentLength" value to "30000000" or less.

Check Contents

Follow the procedures below for each site hosted on the IIS 8.5 web server:

Open the IIS 8.5 Manager.

Click on the site name.

Double-click the "Request Filtering" icon.

Click “Edit Feature Settings” in the "Actions" pane.

If the "maxAllowedContentLength" value is not explicitly set to "30000000" or less or a length documented and approved by the ISSO, this is a finding.

Vulnerability Number

V-214465

Documentable

False

Rule Version

IISW-SI-000226

Severity Override Guidance

Follow the procedures below for each site hosted on the IIS 8.5 web server:

Open the IIS 8.5 Manager.

Click on the site name.

Double-click the "Request Filtering" icon.

Click “Edit Feature Settings” in the "Actions" pane.

If the "maxAllowedContentLength" value is not explicitly set to "30000000" or less or a length documented and approved by the ISSO, this is a finding.

Check Content Reference

M

Target Key

4001

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