Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide

The Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide (V3 R7) has 329 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V3 · R7

CurrentPublished Thu Nov 09 2023

IPSec Exemptions must be limited.

Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide

Assessment Title

Rule Text

IPSec Exemptions must be limited.

Description

Discussion Text

IPSec exemption filters allow specific traffic that may be needed by the system for such things as Kerberos authentication. This setting configures Windows for specific IPSec exemptions.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-225483

Rule

SV-225483r569185_rule

Severity

low

Rule Version

WN12-SO-000042

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

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\IPSEC\

Value Name: NoDefaultExempt

Value Type: REG_DWORD
Value: 3

Implementation Procedure

Fix Text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "MSS: (NoDefaultExempt) Configure IPSec exemptions for various types of network traffic" to "Only ISAKMP is exempt (recommended for Windows Server 2003)".

(See "Updating the Windows Security Options File" in the STIG Overview document if MSS settings are not visible in the system's policy tools.)

STIG check 238 of 329 in the Microsoft Windows Server 2012/2012 R2 Member Server STIG checklist

← Previous · V-225482The system must be configured to limit how often keep-alive packets are sent.Next · V-225484 →The system must be configured to ignore NetBIOS name release requests except from WINS servers.