Configure IPv6 source routing to highest protection.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-21955	3.155	SV-25278r1_rule	ECSC-1	Low

Description
This check verifies Windows is configured to protect against IPv6 packet spoofing.

STIG	Date
Windows 7 Security Technical Implementation Guide	2015-03-09

Details

Check Text ( C-26840r1_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”, then this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \System\CurrentControlSet\Services\Tcpip6\Parameters\ Value Name: DisableIpSourceRouting Type: REG_DWORD Value: 2

Check Text ( C-26840r1_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”, then this is a finding.

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Subkey: \System\CurrentControlSet\Services\Tcpip6\Parameters\

Value Name: DisableIpSourceRouting

Type: REG_DWORD
Value: 2

Fix Text (F-22944r1_fix)
Configure the policy value for “MSS: (DisableIPSourceRouting IPv6) IP source routing protection level (protects against packet spoofing)” to “Highest protection, source routing is completely disabled”.