Find answers to frequently asked questions about the changes to Lightweight Directory Access Protocol (LDAP).

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The default port for LDAP is port 389, but LDAPS uses port 636 and establishes SSL/TLS upon connecting with a client. Channel binding tokens help make LDAP authentication over SSL/TLS more secure against man-in-the-middle attacks.

To maximize compatibility with older operating system versions (Windows Server 2008 and earlier versions), we recommend that you enable this setting with a value of 1. To explicitly disable the setting, set the LdapEnforceChannelBinding entry to 0 (zero).

LDAPS использует собственный отдельный сетевой порт для подключения клиентов и серверов. Порт ldap по умолчанию — порт 389, но LDAPS использует порт 636 и устанавливает SSL/TLS при подключении к клиенту.

El enlace de canales LDAP y la firma LDAP proporcionan formas de aumentar la seguridad de las comunicaciones entre clientes LDAP y controladores de dominio de Active Directory.

La porta predefinita per LDAP è la porta 389, ma LDAPS usa la porta 636 e stabilisce SSL/TLS quando ci si connette a un client. I token di associazione dei canali contribuiscono a rendere l'autenticazione LDAP tramite SSL/TLS più sicura contro gli attacchi man-in-the-middle.

Internet directory services, also known as LDAP services, are used to find e-mail addresses that are not in your local Outlook contacts. Directory services search directories on other servers to look up names and other information that can then be viewed in Outlook.

To protect your environment, complete the following steps for certificate-based authentication: Update all servers that run Active Directory Certificate Services and Windows domain controllers that service certificate-based authentication with the May 10, 202,2 update (see Compatibility mode).

Der Standardport für LDAP ist Port 389, aber LDAPS verwendet Port 636 und richtet SSL/TLS ein, wenn eine Verbindung mit einem Client hergestellt wird. Mithilfe von Kanalbindungstoken wird die LDAP-Authentifizierung über SSL/TLS vor Man-in-the-Middle-Angriffen sicherer.