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IIST-SI-000226: Limit the size of web requests

The IIS 10.0 website must be configured to limit the size of web requests.
To check compliance with IIST-SI-000226, complete the following steps for each site hosted on the IIS 10.0 web server:
  1. Open the IIS 10.0 Manager.
  2. Click the site name.
  3. Double-click the
    Request Filtering
    icon.
  4. In the
    Actions
    pane, click
    Edit Feature Settings
    .
If the
maxAllowedContentLength
value is not explicitly set to "30000000" or less, or a length documented and approved by the ISSO, your application is not compliant.
If your application is not compliant, complete the following steps:
  1. Open the IIS 10.0 Manager.
  2. Click the site name.
  3. Double-click the
    Request Filtering
    icon.
  4. In the
    Actions
    pane, click
    Edit Feature Settings
    .
  5. Set the
    maxAllowedContentLength
    value to "30000000" or less.