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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-220824 | WN10-CC-000165 | SV-220824r569187_rule | Medium |
| Description |
|---|
| Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections. |
| STIG | Date |
|---|---|
| Windows 10 Security Technical Implementation Guide | 2021-08-18 |
Details
| Check Text ( C-22539r554957_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". |