Server Hardening - Disabling the "Allow unlisted file name extensions" option produces "HTTP Error 404.7 - Not Found - The requesting filtering module is configured to deny the file extension." (4263458)

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Title

Server Hardening - Disabling the "Allow unlisted file name extensions" option produces "HTTP Error 404.7 - Not Found - The requesting filtering module is configured to deny the file extension."
Description

In Edit Request Filtering Settings, the Allow unlisted file name extensions option is enabled by default.
Disabling this produces HTTP Error 404.7 - Not Found - The requesting filtering module is configured to deny the file extension.
Cause

The File Name Extensions used by the Unified Communications Analytics web portal must be added.
Resolution
Click on Allow File Name Extension and add the following:
- .
- .aspx
- .css
- .eot
- .gif
- .htm
- .ico
- .js
- .png
- .ttf
- .woff
Note:
- The first entry above is . which is necessary for extensionless MVC pages.
- There is no need to change the setting to the entire Default Web Site. Only the Analytics application needs to be configured.