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The Windows SMB server must be configured to always perform SMB packet signing.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-6833 | WN08-SO-000032 | SV-48133r1_rule | Medium |
| Description |
|---|
| The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in preventing man-in-the-middle attacks. If this policy is enabled, the SMB server will only communicate with an SMB client that performs SMB packet signing. |
| STIG | Date |
|---|---|
| Windows 8/8.1 Security Technical Implementation Guide | 2017-07-28 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-41270r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Microsoft Network Server: Digitally sign communications (always)" to "Enabled". |