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The system is configured to allow IP source routing.


Overview

Finding ID Version Rule ID IA Controls Severity
V-4110 3.094 SV-25065r1_rule ECSC-1 Low
Description
Protects against IP source routing spoofing.
STIG Date
Windows 7 Security Technical Implementation Guide 2014-01-07

Details

Check Text ( C-282r1_chk )
Analyze the system using the Security Configuration and Analysis snap-in.
Expand the Security Configuration and Analysis tree view.
Navigate to Local Policies -> Security Options.

If the value for “MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing)” is not set to “Highest protection, source routing is completely disabled”, then this is a finding.

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \System\CurrentControlSet\Services\Tcpip\Parameters\

Value Name: DisableIPSourceRouting

Value Type: REG_DWORD
Value: 2
Fix Text (F-5713r1_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”.