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What authentication method does Active Directory use?
Kerberos version 5
Active Directory uses Kerberos version 5 as authentication protocol in order to provide authentication between server and client. Kerberos v5 became default authentication protocol for windows server from windows server 2003.
What is LDAP authentication method?
In LDAP, authentication is supplied in the “bind” operation. LDAP v3 supports three types of authentication: anonymous, simple and SASL authentication. A client that sends a LDAP request without doing a “bind” is treated as an anonymous client.
What security protocol does Active Directory use?
Lightweight Directory Access Protocol (LDAP)
Active Directory uses Lightweight Directory Access Protocol (LDAP) versions 2 and 3, Microsoft’s version of Kerberos, and DNS.
Which is authentication mechanism does Active Directory support?
Active Directory supports only simple and SASL authentication mechanisms. The former is for LDAP simple binds, while the latter is for LDAP SASL binds (as documented in [RFC2829] ). In addition, Active Directory supports a third mechanism named “Sicily” that is primarily intended for compatibility with legacy systems.
What to do when an authentication method is not available?
When an authentication method is not available for a user, they can choose to authenticate with another method. Administrators can define in policy which authentication methods are available to users of SSPR and MFA. Some authentication methods may not be available to all features.
When to use multiple authentication methods in Azure AD?
For resiliency, we recommend that you require users to register multiple authentication methods. When one method isn’t available for a user during sign-in or SSPR, they can choose to authenticate with another method. For more information, see Create a resilient access control management strategy in Azure AD.
What are the authentication methods for MS-ADTs?
AuthenticationChoice ::= CHOICE { simple [0] OCTET STRING, sasl [3] SaslCredentials sicilyPackageDiscovery [9] OCTET STRING sicilyNegotiate [10] OCTET STRING sicilyResponse [11] OCTET STRING } The relationship of the three authentication mechanisms, and the authentication protocols supported by each, is summarized in the following tables.