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The 6to4 IPv6 transition technology must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-225320 | WN12-CC-000007 | SV-225320r569185_rule | Medium |
| Description |
|---|
| IPv6 transition technologies, which tunnel packets through other protocols, do not provide visibility. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide | 2021-03-05 |
Details
| Check Text ( C-27019r471302_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: \Software\Policies\Microsoft\Windows\TCPIP\v6Transition\ Value Name: 6to4_State Type: REG_SZ Value: Disabled |
| Fix Text (F-27007r471303_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> Network -> TCPIP Settings -> IPv6 Transition Technologies -> "Set 6to4 State" to "Enabled: Disabled State". |