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WN11-SO-000060 The system must be configured to require a strong session key.

DISA STIG library V2R11
All changes in this version
first version loaded CAT II

Maps to SC-8 via CCI-002418

Title

The system must be configured to require a strong session key.

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: RequireStrongKey Value Type: REG_DWORD Value: 1 Warning: This setting may prevent a system from being joined to a domain if not configured consistently between systems.

Discussion

A computer connecting to a domain controller will establish a secure channel. Requiring strong session keys enforces 128-bit encryption between systems.

Related controls

CCI-002418

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Require strong (Windows 2000 or Later) session key" to "Enabled".