The system will be configured to meet the minimum session security requirement for NTLM SSP based servers.

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The system will be configured to meet the minimum session security requirement for NTLM SSP based servers.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3666	3.089	SV-32352r1_rule	ECCT-1 ECCT-2	Medium

Description
Windows has implemented a variety of security support providers for use with RPC sessions. In a homogenous Windows environment, all of the options should be enabled and testing should be performed in a heterogeneous environment to determine the maximum-security level that provides reliable functionality.

STIG	Date
Windows Server 2008 R2 Member Server Security Technical Implementation Guide	2015-06-25

Details

Check Text ( None )
None

Fix Text (F-28830r1_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) servers” to “Require NTLMv2 session security”, ”Require 128-bit encryption (all options selected).