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The system must be configured to require a strong session key.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-225461 | WN12-SO-000017 | SV-225461r569185_rule | Medium |
| Description |
|---|
| A computer connecting to a domain controller will establish a secure channel. Requiring strong session keys enforces 128-bit encryption between systems. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide | 2021-03-05 |
Details
| Check Text ( C-27160r471725_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: RequireStrongKey Value Type: REG_DWORD Value: 1 This setting may prevent a system from being joined to a domain if not configured consistently between systems. |
| Fix Text (F-27148r471726_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". |