O Samba 4 tem algumas built-ins novas: Serve o ambiente de logins Active Directory do Windows, um LDAP nativo. Parece mentira né? Mas não é. Leiam:
NEW FEATURES
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Samba4 supports the server-side of the Active Directory logon environment
used by Windows 2000 and later, so we can do full domain join
and domain logon operations with these clients.
Our Domain [...]