Finding ID | Version | Rule ID | IA Controls | Severity |
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V-253353 | WN11-CC-000020 | SV-253353r829143_rule | Medium |
Description |
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Configuring the system to disable IPv6 source routing protects against spoofing. |
STIG | Date |
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Microsoft Windows 11 Security Technical Implementation Guide | 2024-02-27 |
Check Text ( C-56806r829141_chk ) |
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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\Tcpip6\Parameters\ Value Name: DisableIpSourceRouting Value Type: REG_DWORD Value: 2 |
Fix Text (F-56756r829142_fix) |
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Configure the policy value for Computer Configuration >> Administrative Templates >> MSS (Legacy) >> "MSS: (DisableIPSourceRouting IPv6) IP source routing protection level (protects against packet spoofing)" to "Highest protection, source routing is completely disabled". This policy setting requires the installation of the MSS-Legacy custom templates included with the STIG package. "MSS-Legacy.admx" and "MSS-Legacy.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively. |