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Unauthenticated RPC clients must be restricted from connecting to the RPC server.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-14253 | WN12-CC-000064 | SV-52988r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections. |
| STIG | Date |
|---|---|
| Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide | 2014-06-30 |
Details
| Check Text ( C-47294r2_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 NT\Rpc\ Value Name: RestrictRemoteClients Type: REG_DWORD Value: 1 |
| Fix Text (F-45914r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Remote Procedure Call -> "Restrict Unauthenticated RPC clients" to "Enabled" and "Authenticated". |