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IPv6 source routing must be configured to highest protection.


Overview

Finding ID Version Rule ID IA Controls Severity
V-21955 3.155 SV-25278r2_rule Low
Description
Configuring the system to disable IPv6 source routing protects against spoofing.
STIG Date
Windows 7 Security Technical Implementation Guide 2016-12-19

Details

Check Text ( C-60817r2_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 IPv6) IP source routing protection level (protects against packet spoofing)" is not set to "Highest protection, source routing is completely disabled", this is a finding.

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\

Value Name: DisableIpSourceRouting

Type: REG_DWORD
Value: 2
Fix Text (F-65549r2_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "MSS: (DisableIPSourceRouting IPv6) IP source routing protection level (protects against packet spoofing)" to "Highest protection, source routing is completely disabled".