Unauthenticated RPC clients must be restricted from connecting to the RPC server.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-14253 | 5.123-MS | SV-32396r2_rule | Medium |
| Description |
|---|
| Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections. |
| STIG | Date |
|---|---|
| Windows Server 2008 R2 Member Server Security Technical Implementation Guide | 2019-06-18 |
Details
| Check Text ( C-58017r1_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-62379r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Remote Procedure Call -> "Restrictions for Unauthenticated RPC clients" to "Enabled" and "Authenticated". |