Finding ID | Version | Rule ID | IA Controls | Severity |
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V-225056 | WN16-SO-000400 | SV-225056r569186_rule | Medium |
Description |
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Microsoft has implemented a variety of security support providers for use with Remote Procedure Call (RPC) sessions. All of the options must be enabled to ensure the maximum security level. |
STIG | Date |
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Microsoft Windows Server 2016 Security Technical Implementation Guide | 2023-08-22 |
Check Text ( C-26747r466070_chk ) |
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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\Control\Lsa\MSV1_0\ Value Name: NTLMMinClientSec Value Type: REG_DWORD Value: 0x20080000 (537395200) |
Fix Text (F-26735r466071_fix) |
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Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network security: Minimum session security for NTLM SSP based (including secure RPC) clients" to "Require NTLMv2 session security" and "Require 128-bit encryption" (all options selected). |