Windows Server 2022 setting Domain member: Digitally sign secure channel data (when possible) must be configured to Enabled.

STIG ID: WN22-SO-000080  |  SRG: SRG-OS-000423-GPOS-00187 |  Severity: medium |  CCI: CCI-002418,CCI-002421 |  Vulnerability Id: V-254452 | 

Vulnerability Discussion

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

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

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".
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