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IIST-SV-000140: Modify warning and error messages

Warning and error messages displayed to clients must be modified to minimize the identity of the IIS 10.0 web server, patches, loaded modules, and directory paths.
To check compliance with IIST-SV-000140, complete the following steps:
  1. Open the IIS 10.0 Manager.
  2. Click the IIS 10.0 web server name.
  3. Double-click the
    Error Pages
    icon.
  4. Click any error message.
  5. In the
    Actions
    pane, click
    Edit Feature Setting
    .
If the feature setting is not set to
Detailed errors for local requests and custom error pages for remote requests
, your server is not compliant.
If your server is not compliant, complete the following steps:
  1. Open the IIS 10.0 Manager.
  2. Click the IIS 10.0 web server name.
  3. Double-click the
    Error Pages
    icon.
  4. Click any error message.
  5. In the
    Actions
    pane, set
    Feature Setting
    to
    Detailed errors for local requests and custom error pages for remote requests
    .