Windows Server 2019 must be configured to at least negotiate signing for LDAP client signing.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-205920 | WN19-SO-000320 | SV-205920r991589_rule | Medium |
| Description |
| This setting controls the signing requirements for LDAP clients. This must be set to "Negotiate signing" or "Require signing", depending on the environment and type of LDAP server in use. |
| STIG | Date |
| Microsoft Windows Server 2019 Security Technical Implementation Guide | 2025-05-23 |
Details
| Check Text (C-6185r356122_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\LDAP\ Value Name: LDAPClientIntegrity Value Type: REG_DWORD Value: 0x00000001 (1) |
| Fix Text (F-6185r356123_fix) |
| Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network security: LDAP client signing requirements" to "Negotiate signing" at a minimum. |