STIGQter: STIG Summary: Microsoft IIS 10.0 Site Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The IIS 10.0 website must be configured to limit the maxURL.

DISA Rule

SV-218753r558649_rule

Vulnerability Number

V-218753

Group Title

SRG-APP-000246-WSR-000149

Rule Version

IIST-SI-000225

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 10.0 web server:

Click the site name under review.

Double-click the "Request Filtering" icon.

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

Set the "maxURL" value to "4096" or less.

Check Contents

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

Open the IIS 10.0 Manager.

Click on the site name.

Double-click the "Request Filtering" icon.

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

If the "maxUrl" value is not set to "4096" or less, this is a finding.

Vulnerability Number

V-218753

Documentable

False

Rule Version

IIST-SI-000225

Severity Override Guidance

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

Open the IIS 10.0 Manager.

Click on the site name.

Double-click the "Request Filtering" icon.

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

If the "maxUrl" value is not set to "4096" or less, this is a finding.

Check Content Reference

M

Target Key

4051

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