The Windows SMB client must be configured to always perform SMB packet signing.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-6832 | WN08-SO-000028 | SV-48132r1_rule | ECSC-1 | 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 client will only communicate with an SMB server that performs SMB packet signing. |
| STIG | Date |
|---|---|
| Windows 8 / 8.1 Security Technical Implementation Guide | 2015-03-09 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-41269r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Microsoft Network Client: Digitally sign communications (always)" to "Enabled". |