IIST-SV-000140 - 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.

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Information

HTTP error pages contain information that could enable an attacker to gain access to an information system. Failure to prevent the sending of HTTP error pages with full information to remote requesters exposes internal configuration information to potential attackers.

Solution

Open the IIS 10.0 Manager.

Click the IIS 10.0 web server name.

Double-click the 'Error Pages' icon.

Click any error message, and then click 'Edit Feature Setting' from the 'Actions' Pane. This will apply to all error messages.

Set Feature Setting to 'Detailed errors for local requests and custom error pages for remote requests'.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_IIS_10-0_Y22M01_STIG.zip

Item Details

References: CAT|II, CCI|CCI-001312, Rule-ID|SV-218810r561041_rule, STIG-ID|IIST-SV-000140, STIG-Legacy|SV-109259, STIG-Legacy|V-100155, Vuln-ID|V-218810

Plugin: Windows

Control ID: c326fe327eca9b4ca21e7bee9208595e49b44fed618bea67ac3c5fb28d7fd43d