Windows Server 2019 setting Microsoft network client: Digitally sign communications (if server agrees) must be configured to Enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-205826 | WN19-SO-000170 | SV-205826r958908_rule | CCI-002418 | medium |
| Description | ||||
| The server message block (SMB) protocol provides the basis for many network operations. If this policy is enabled, the SMB client will request packet signing when communicating with an SMB server that is enabled or required to perform SMB packet signing. Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188 | ||||
| STIG | Date | |||
| Microsoft Windows Server 2019 Security Technical Implementation Guide | 2025-05-23 | |||
Related Frameworks
3 paths across 3 frameworks
Related Frameworks
NIST 800-531 mapping
SC-8
1.00
- DISA · 3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.13.8
1.00
- DISA · 3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-002418
1.00
- DISA · 3 · disa_xccdf · related
Details
Check Text (C-205826r958908_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\LanmanWorkstation\Parameters\
Value Name: EnableSecuritySignature
Value Type: REG_DWORD
Value: 0x00000001 (1)
Fix Text (F-6091r355841_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Microsoft network client: Digitally sign communications (if server agrees)" to "Enabled".