The system must be configured to meet the minimum session security requirement for NTLM SSP-based clients.

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The system must be configured to meet the minimum session security requirement for NTLM SSP-based clients.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3382	WN12-SO-000069	SV-52895r1_rule		Medium

Description
Microsoft has implemented a variety of security support providers for use with RPC sessions. All of the options must be enabled to ensure the maximum security level.

STIG	Date
Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide	2017-07-28

Details

Check Text ( None )
None

Fix Text (F-45821r1_fix)
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).