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

The IIS 10.0 web server must not be both a website server and a proxy server.

DISA Rule

SV-218794r561041_rule

Vulnerability Number

V-218794

Group Title

SRG-APP-000141-WSR-000076

Rule Version

IIST-SV-000119

Severity

CAT II

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

Open the IIS 10.0 Manager.

Under the "Connections" pane on the left side of the management console, select the IIS 10.0 web server.

Under the IIS installed features, "Application Request Routing Cache" is present, double-click the icon to open the feature.

From the right "Actions" pane, under "Proxy", select "Server Proxy Settings...".

In the "Application Request Routing" settings window, remove the check from the "Enable proxy" check box.

Click "Apply" in the "Actions" pane.

Check Contents

Open the IIS 10.0 Manager.

Under the "Connections" pane on the left side of the management console, select the IIS 10.0 web server.

If, under the IIS installed features, "Application Request Routing Cache" is not present, this is not a finding.

If, under the IIS installed features, "Application Request Routing Cache" is present, double-click the icon to open the feature.

From the right "Actions" pane, under "Proxy", select "Server Proxy Settings...".

In the "Application Request Routing" settings window, verify whether "Enable proxy" is selected.

If “Enable proxy" is selected under the "Application Request Routing" settings, this is a finding.

Vulnerability Number

V-218794

Documentable

False

Rule Version

IIST-SV-000119

Severity Override Guidance

Open the IIS 10.0 Manager.

Under the "Connections" pane on the left side of the management console, select the IIS 10.0 web server.

If, under the IIS installed features, "Application Request Routing Cache" is not present, this is not a finding.

If, under the IIS installed features, "Application Request Routing Cache" is present, double-click the icon to open the feature.

From the right "Actions" pane, under "Proxy", select "Server Proxy Settings...".

In the "Application Request Routing" settings window, verify whether "Enable proxy" is selected.

If “Enable proxy" is selected under the "Application Request Routing" settings, this is a finding.

Check Content Reference

M

Target Key

4052

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