Unauthenticated RPC clients must be restricted from connecting to the RPC server.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-253383 | WN11-CC-000165 | SV-253383r971545_rule | Medium |
| Description |
| Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections. |
| STIG | Date |
| Microsoft Windows 11 Security Technical Implementation Guide | 2024-09-12 |
Details
| Check Text (C-56836r829231_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 Value Type: REG_DWORD Value: 1 |
| Fix Text (F-56786r829232_fix) |
| Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Remote Procedure Call >> "Restrict Unauthenticated RPC clients" to "Enabled" and "Authenticated". |