A Guide to Active Directory Ports and Authentication Protocols
https://shellgeek.com/active-directory-ports-and-authentication-protocols/
WEBOct 9, 2021 · TCP 3268 port : Global Catalog LDAP; TCP 3269 port : Global Catalog LDAP SSL; TCP, UDP port 53 : DNS; TCP, UDP port 88: Kerberos; TCP port 445 : SMB; Active Directory Authentication Ports. Active Directory uses the below port for active directory authentication. UDP port 389 : LDAP; TCP port 53 : DNS; TCP, UDP port 88 : Kerberos; …
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