SV-253463r1268251: The system must be configured to the required LDAP client signing level. | Microsoft Windows 11 STIG SCAP Benchmark

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Assessment Title

Rule Text

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

Description

Discussion Text

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.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000366

References

DPMS Target Microsoft Windows 11 DISA DPMS Target Microsoft Windows 11 5471

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

# Windows PowerShell
# Reconstructed from oval:mil.disa.stig.windows11:def:253463
# The system must be configured to the required LDAP client signing level.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# registry_object (registry_test)
function test_1 {
  return ((((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LDAP').GetValueKind('LDAPClientIntegrity').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LDAP' -Name 'LDAPClientIntegrity' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'LDAPClientIntegrity') -eq 1)) -or (((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LDAP').GetValueKind('LDAPClientIntegrity').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LDAP' -Name 'LDAPClientIntegrity' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'LDAPClientIntegrity') -eq 2)))
}

if (test_1) {
  Write-Output "PASS"
} else {
  Write-Output "FAIL"
}

Assessment Script Powered by AISyntax-verified

A standalone PowerShell script to assess this control automatically. Review before running it in your environment.

Syntax-checked as valid PowerShell. Not executed here — running it for real needs the actual ms_windows_11 target this check assesses.

# OVAL Definition: oval:mil.disa.stig.windows11:def:253463
if ((Test-Path -Path "HKLM:SYSTEM\CurrentControlSet\Services\LDAP\LDAPClientIntegrity" -ErrorAction SilentlyContinue) -and ((Get-ItemProperty -Path "HKLM:SYSTEM\CurrentControlSet\Services\LDAP\LDAPClientIntegrity" -Name "signingRequirements" -ErrorAction SilentlyContinue).signingRequirements -eq 1 -or (Get-ItemProperty -Path "HKLM:SYSTEM\CurrentControlSet\Services\LDAP\LDAPClientIntegrity" -Name "signingRequirements" -ErrorAction SilentlyContinue).signingRequirements -eq 2)) { Write-Output "PASS"; Exit 0 } else { Write-Output "FAIL"; Exit 1 }

Remediation

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.