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CCE
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CCE-41547-1

Platform: win10Date: (C)2016-09-23   (M)2017-10-23



Disable: 'Network Security: Restrict NTLM: NTLM authentication in this domain' for RestrictNTLMInDomain This policy setting allows you to deny or allow NTLM authentication within a domain from this domain controller. This policy does not affect interactive logon to this domain controller. Counter Measure: Configure Network Security: Restrict NTLM: NTLM authentication in this domain to Deny All Potential Impact: If you select "Disabled" or do not configure this policy setting, the domain controller will allow all NTLM pass-through authentication requests within the domain. If you select "Deny for domain accounts to domain servers" the domain controller will deny all NTLM authentication logon attempts to all servers in the domain that are using domain accounts and return an NTLM blocked error unless the server name is on the exception list in the "Network security: Restrict NTLM: Add server exceptions for NTLM authentication in this domain" policy setting. If you select "Deny for domain account" the domain controller will deny all NTLM authentication logon attempts from domain accounts and return an NTLM blocked error unless the server name is on the exception list in the "Network security: Restrict NTLM: Add server exceptions for NTLM authentication in this domain" policy setting. If you select "Deny for domain servers" the domain controller will deny NTLM authentication requests to all servers in the domain and return an NTLM blocked error unless the server name is on the exception list in the "Network security: Restrict NTLM: Add server exceptions for NTLM authentication in this domain" policy setting. If you select "Deny all," the domain controller will deny all NTLM pass-through authentication requests from its servers and for its accounts and return an NTLM blocked error unless the server name is on the exception list in the "Network security: Restrict NTLM: Add server exceptions for NTLM authentication in this domain" policy setting."


Parameter:


Technical Mechanism: (1) GPO: Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options\Network Security: Restrict NTLM: NTLM authentication in this domain (2) REG: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Netlogon\Parameters\RestrictNTLMInDomain

References:

Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:34985


OVAL    1
oval:org.secpod.oval:def:34985
XCCDF    2
xccdf_org.secpod_benchmark_general_Windows_10
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_10

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