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WN25-SO-000070 Windows Server 2025 setting Domain member: Digitally encrypt secure channel data (when possible) must be configured to Enabled.

DISA STIG library V1R4
All changes in this version
first version loaded CAT II

Maps to SC-8, SC-8(1) via CCI-002418, CCI-002421

Title

Windows Server 2025 setting Domain member: Digitally encrypt secure channel data (when possible) must be configured to Enabled.

Control

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: SealSecureChannel Value Type: REG_DWORD Value: 0x00000001 (1)

Discussion

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

Related controls

CCI-002418, CCI-002421

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Domain member: Digitally encrypt secure channel data (when possible) to "Enabled".