The Dell 2161DS, 2161DS-2, and 4161DS suite of Remote Console Switches can authenticate and authorize users via a local database or by an external scalable distributed directory service using the the Dell Remote Console Switch Software or on-board web interface with LDAP (Lightweight Directory Assistance Protocol) support. LDAP is a protocol standard used for accessing and updating a directory using TCP/IP. The Dell Remote Console Switch Software and on-board web interface supports both standard and Dell extended schema, and offers strong security features including authentication, privacy, and integrity.