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6. Authentication and Interoperability

System Security Services Daemon (SSSD)

The System Security Services Daemon (SSSD) is a new feature in Red Hat Enterprise Linux 5.6 that implements a set of services for central management of identity and authentication. Centralizing identity and authentication services enables local caching of identities, allowing users to still identify in cases where the connection to the server is interrupted. SSSD supports many types of identity and authentication services, including: Red Hat Directory Server, Active Directory, OpenLDAP, 389 Directory Server, Kerberos and LDAP.

Samba

Samba is a suite of programs which use NetBIOS over TCP/IP (NetBT) to enable the sharing of files, printers and other information. This package provides a Server Message Block or SMB server (also known as a Common Internet File System or CIFS server) which can provide network services to SMB/CIFS clients.

Two mutually exclusive versions of Samba (supplied by the packages samba and samba3x) are available. In Red Hat Enterprise Linux 5.6 samba3x is updated to version 3.5.4, providing additional support for LDAP-based stores and Winbind over IPv6.