Finding ID | Version | Rule ID | IA Controls | Severity |
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V-4116 | 3.101 | SV-25070r1_rule | ECSC-1 | Low |
Description |
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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 servers cache, causing a response delay in the normal operation of the servers WINS resolution capability. |
STIG | Date |
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Windows 7 Security Technical Implementation Guide | 2012-08-22 |
Check Text ( C-311r1_chk ) |
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Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for “MSS: (NoNameReleaseOnDemand) Allow computer to ignore NetBIOS name release requests except from WINS servers” is not set to “Enabled”, then this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Services\Netbt\Parameters\ Value Name: NoNameReleaseOnDemand Value Type: REG_DWORD Value: 1 Note: The NetBIOS name for the system will no longer appear under ‘My Network Places’. |
Fix Text (F-5723r1_fix) |
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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”. |