Domain Controller Enforcement Mode

Phase starting with the february 9 2021 updates where enforcement mode will be enabled on all windows domain controllers regardless of the registry setting.

Domain controller enforcement mode. Cependant la plupart des organisations ne veulent pas ajouter un contrôleur de domaine à leur environnement de production dans la mesure où il risque d enfreindre leur stratégie de sécurité. Ldap bind operations are used to authenticate clients to the directory server clients could be users or application behind users. It is critical to patch and upgrade non compliant devices as soon as possible. Windows server 2016 windows server 2012 r2 windows server 2012.

Windows server 2016 windows server 2012 r2 windows server 2012 applies to. Installing the august 11 2020 updates on the domain controllers protects the windows based machine accounts the trust accounts and the domain controller accounts. It does not protect the linux non windows objects unless you do the registry key and go to enforcement mode. Sécurisation des contrôleurs de domaine contre les attaques securing domain controllers against attack.

If your domain contains multiple versions of windows operating systems you can configure windows management instrumentation wmi filters to apply gpos only to the domain controllers running the corresponding version of the operating system. Dcs will deny vulnerable connections from all non compliant devices unless they are. To understand how this setting affect domain controllers we need to understand first ldap bind operations. Si vous utilisez.

But complete remediation will happen after organizations deploy domain controller dc enforcement mode which requires all windows and non windows devices to use secure nrpc or to explicitly allow. Ldap server signing requirements. Vous pouvez utiliser un contrôleur de domaine existant ou créer un ordinateur de référence et utiliser l outil dcpromo pour transformer l ordinateur en contrôleur de domaine. Settings can be saved and exported to a gpo that can be linked to the domain controllers ou in each domain in the forest to enforce consistent configuration of domain controllers.

Loi n 3. But with the path you protect the domain controller. Microsoft provides details on the impact of the patch on their support website. If you install the patch it protects the windows active directory objects so they can t be taken over.

Usually linux objects don t have much access in ad donor reduces the risk. Si une personne malintentionnée dispose d un accès physique. Machine accounts are also not protected if they are added to the domain controller. Allow vulnerable netlogon secure channel connections group policy.

Domain controllers can be placed into enforcement mode prior to february 2021 ensuring 100 mitigation from exploit based on microsoft s technical article. Upon deploying the august 2020 updates organizations are given the option to enable domain controller dc enforcement mode on their devices prior to the q1 2021 update though this is expected to cause issues to systems that do not use a secure netlogon channel and could require updates by oem manufacturer to their software or hardware and additionally added an event id 5829 that can detect systems utilizing vulnerable netlogon secure communication channels. The registry key that allows you to enable enforcement mode in advance of february 9 2021. See how to manage the changes in netlogon.