Anonymous access to Named Pipes and Shares must be restricted.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-253456 | WN11-SO-000165 | SV-253456r958524_rule | High |
| Description |
| Allowing anonymous access to named pipes or shares provides the potential for unauthorized system access. This setting restricts access to those defined in "Network access: Named Pipes that can be accessed anonymously" and "Network access: Shares that can be accessed anonymously", both of which must be blank under other requirements. |
| STIG | Date |
| Microsoft Windows 11 Security Technical Implementation Guide | 2024-09-12 |
Details
| Check Text (C-56909r829450_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: \SYSTEM\CurrentControlSet\Services\LanManServer\Parameters\ Value Name: RestrictNullSessAccess Value Type: REG_DWORD Value: 1 |
| Fix Text (F-56859r829451_fix) |
| Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Restrict anonymous access to Named Pipes and Shares" to "Enabled". |