The system must be configured to ignore NetBIOS name release requests except from WINS servers.

From Windows 8 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-48126r1_rule The system must be configured to ignore NetBIOS name release requests except from WINS servers.

Vulnerability discussion

Configuring the system to ignore name release requests, except from WINS servers, prevents a denial of service (DoS) attack. The DoS consists of sending a NetBIOS name release request to the server for each entry in the server's cache, causing a response delay in the normal operation of the servers WINS resolution capability.

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Fix text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "MSS: (NoNameReleaseOnDemand) Allow computer to ignore NetBIOS name release requests except from WINS servers" to "Enabled".

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