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The system must be configured to prevent IP source routing.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| WN12-SO-000038 | WN12-SO-000038 | WN12-SO-000038_rule | Low |
| Description |
|---|
| Configuring the system to disable IP source routing protects against spoofing. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012 Domain Controller Security Technical Implementation Guide | 2013-07-25 |
Details
| Check Text ( C-WN12-SO-000038_chk ) |
|---|
| 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\Tcpip\Parameters\ Value Name: DisableIPSourceRouting Value Type: REG_DWORD Value: 2 |
| Fix Text (F-WN12-SO-000038_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.) |