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The system must be configured to prevent IP source routing.


Overview

Finding ID Version Rule ID IA Controls Severity
V-4110 WN12-SO-000038 SV-52924r1_rule ECSC-1 Low
Description
Configuring the system to disable IP source routing protects against spoofing.
STIG Date
Windows Server 2012 / 2012 R2 Member Server Security Technical Implementation Guide 2014-07-09

Details

Check Text ( None )
None
Fix Text (F-45850r2_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing)" to "Highest protection, source routing is completely disabled".

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