Windows Server 2022 setting Microsoft network client: Digitally sign communications (if server agrees) must be configured to Enabled.

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Windows Server 2022 setting Microsoft network client: Digitally sign communications (if server agrees) must be configured to Enabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-254461	WN22-SO-000170	SV-254461r916422_rule		Medium

Description
The server message block (SMB) protocol provides the basis for many network operations. If this policy is enabled, the SMB client will request packet signing when communicating with an SMB server that is enabled or required to perform SMB packet signing. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188

STIG	Date
Microsoft Windows Server 2022 Security Technical Implementation Guide	2023-09-11

Details

Check Text ( C-57946r849197_chk )
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\LanmanWorkstation\Parameters\ Value Name: EnableSecuritySignature Value Type: REG_DWORD Value: 0x00000001 (1)

Fix Text (F-57897r849198_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Microsoft network client: Digitally sign communications (if server agrees) to "Enabled".