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Windows Server 2019 must restrict anonymous access to Named Pipes and Shares.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-93539 | WN19-SO-000250 | SV-103625r1_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 |
|---|---|
| Windows Server 2019 Security Technical Implementation Guide | 2019-07-09 |
Details
| Check Text ( C-92855r1_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: 0x00000001 (1) |
| Fix Text (F-99783r1_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". |