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WN11-CC-000165 Unauthenticated RPC clients must be restricted from connecting to the RPC server.

DISA STIG library V2R11
All changes in this version
first version loaded CAT II

Maps to IA-3(1) via CCI-001967

Title

Unauthenticated RPC clients must be restricted from connecting to the RPC server.

Control

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

Discussion

Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections.

Related controls

CCI-001967

Fix

Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Remote Procedure Call >> "Restrict Unauthenticated RPC clients" to "Enabled" and "Authenticated".