Finding ID | Version | Rule ID | IA Controls | Severity |
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V-73661 | WN16-SO-000230 | SV-88325r1_rule | Medium |
Description |
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The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in preventing man-in-the-middle attacks. If this policy is enabled, the SMB server will only communicate with an SMB client that performs SMB packet signing. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188 |
STIG | Date |
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Windows Server 2016 Security Technical Implementation Guide | 2019-03-13 |
Check Text ( C-73743r1_chk ) |
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If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SYSTEM\CurrentControlSet\Services\LanManServer\Parameters\ Value Name: RequireSecuritySignature Value Type: REG_DWORD Value: 0x00000001 (1) |
Fix Text (F-80111r1_fix) |
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Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Microsoft network server: Digitally sign communications (always)" to "Enabled". |