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

From Windows Server 2008 R2 Member Server Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-32358r1_rule The system will be configured to ignore NetBIOS name release requests except from WINS servers.

Vulnerability discussion

Prevents a denial-of-service (DoS) attack against a WINS server. 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 server's 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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