The system must be configured to the required LDAP client signing level.

STIG ID: WN10-SO-000210  |  SRG: SRG-OS-000480-GPOS-00227 |  Severity: medium |  CCI: CCI-000366 |  Vulnerability Id: V-220939 | 

Vulnerability Discussion

This setting controls the signing requirements for LDAP clients. This setting must be set to Negotiate signing or Require signing, depending on the environment and type of LDAP server in use.

Check

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: 1

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.
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