Unauthenticated RPC clients must be restricted from connecting to the RPC server.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-220824 | WN10-CC-000165 | SV-220824r971545_rule | CCI-001967 | medium |
| Description | ||||
| Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections. | ||||
| STIG | Date | |||
| Microsoft Windows 10 Security Technical Implementation Guide | 2025-02-25 | |||
Details
Check Text (C-220824r971545_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-22528r554958_fix)
Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Remote Procedure Call >> "Restrict Unauthenticated RPC clients" to "Enabled" and "Authenticated".