Windows Server 2019 setting Domain member: Digitally sign secure channel data (when possible) must be configured to Enabled.

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Windows Server 2019 setting Domain member: Digitally sign secure channel data (when possible) must be configured to Enabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-205823	WN19-SO-000080	SV-205823r569188_rule		Medium

Description
Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but the channel is not integrity checked. If this policy is enabled, outgoing secure channel traffic will be signed. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188

STIG	Date
Microsoft Windows Server 2019 Security Technical Implementation Guide	2022-03-01

Details

Check Text ( C-6088r355831_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\Netlogon\Parameters\ Value Name: SignSecureChannel Value Type: REG_DWORD Value: 0x00000001 (1)

Fix Text (F-6088r355832_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Digitally sign secure channel data (when possible)" to "Enabled".