Microsoft Windows Server 2019

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

STIG ID: WN19-SO-000080 | SRG: SRG-OS-000423-GPOS-00187 | Severity: Medium | CCI: CCI-002418,CCI-002421 | Vulnerability ID: V-205823

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

Check

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_MACHINERegistry Path: \SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\Value Name: SignSecureChannelValue Type: REG_DWORDValue: 0x00000001 (1)

Fix

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".