CIS Microsoft Windows 10 Enterprise Release 1909 Benchmark

Remediation:

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

Computer Configuration\Policies\Administrative Templates\Network\DNS Client\Turn off multicast name resolution

Note: This Group Policy path may not exist by default. It is provided by the Group Policy template DnsClient.admx/adml that is included with the Microsoft Windows 8.0 & Server 2012 (non-R2) Administrative Templates (or newer).

Impact:

In the event DNS is unavailable a system will be unable to request it fromother systems on the same subnet.

Default Value:

Disabled. (LLMNR will be enabled on all available network adapters.)

References:

1. CCE-34055-4

CIS Controls:

Version 6

9 Limitation and Control of Network Ports, Protocols, and Services Limitation and Control of Network Ports, Protocols, and Services

Version 7

9.2 Ensure Only Approved Ports, Protocols and Services Are Running Ensure that only network ports, protocols, and services listening on a system with validated business needs, are running on each system. 9.3 Perform Regular Automated Port Scans Perform automated port scans on a regular basis against all systems and alert if unauthorized ports are detected on a system.

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