5.15 (L2) Ensure 'Peer Networking Grouping (p2psvc)' is set to 'Disabled'

Information

Enables multi-party communication using Peer-to-Peer Grouping.

The recommended state for this setting is: Disabled

Peer Name Resolution Protocol is a distributed and (mostly) serverless way to handle name resolution of clients with each other. In a high security environment, it is more secure to rely on centralized name resolution methods maintained by authorized staff.

Solution

To establish the recommended configuration via GP, set the following UI path to: Disabled

Computer Configuration\Policies\Windows Settings\Security Settings\System Services\Peer Networking Grouping

Impact:

Some applications, such as HomeGroup, may not function.

See Also

https://workbench.cisecurity.org/benchmarks/16514

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6, 800-53|CM-7, CSCv7|9.2

Plugin: Windows

Control ID: 6817021386f889eb9faaeebb33b4deec75a4f20d47aa43b1aed6ed93f8481fbe