Windows Server 2022 must restrict unauthenticated Remote Procedure Call (RPC) clients from connecting to the RPC server on domain-joined member servers and standalone or nondomain-joined systems.
An XCCDF Rule
Description
Unauthenticated RPC clients may allow anonymous access to sensitive information. Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections.
- ID
- SV-254431r971545_rule
- Version
- WN22-MS-000040
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Remote Procedure Call >> Restrict Unauthenticated RPC clients to "Enabled" with "Authenticated" selected.