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The service principal name (SPN) target name validation level must be configured to Accept if provided by client.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-21950 | WN08-SO-000035 | SV-48416r2_rule | ECSC-1 | Medium |
| Description |
|---|
| If a service principle name (SPN) is provided by the client, it is validated against the server's list of SPNs, aiding in the prevention of spoofing. |
| STIG | Date |
|---|---|
| Windows 8 / 8.1 Security Technical Implementation Guide | 2015-03-09 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-41547r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Microsoft network server: Server SPN target name validation level" to "Accept if provided by client". |