Cyclades ACS48, 2.3.0 Stty, Terminal Access Controller Access Control System, Tacacs+

Glossary

SSH (Secure Shell)	A protocol which permits secure remote access over a
	network from one computer to another. SSH negotiates and
	establishes an encrypted connection between an SSH client
	and an SSH server.
STTY	Set the options for a terminal device interface.
	This command prints information about your terminal
	settings. The information printed is the same as if you had
	typed stty while interacting with a shell.
	The stty utility sets or reports on terminal I/O characteristics
	for the device that is its standard input. Without options or
	operands specified, it reports the settings of certain
	characteristics, usually those that differ from implementation-
	dependent defaults. Otherwise, it modifies the terminal state
	according to the specified operands.
TACACS	Terminal Access Controller Access Control System.
	Authentication protocol, developed by the DDN community,
	that provides remote access authentication and related
	services, such as event logging. User passwords are
	administered in a central database rather than in individual
	routers, providing an easily scalable network security
	solution.
TACACS+	Terminal Access Controller Access Control System Plus. A
	protocol that provides remote access authentication,
	authorization, and related accounting and logging services,
	used by Cisco Systems.

TCP Keep-Alive Interval The time interval between the periodic polling of all inactive TCP/IP connections, checking that the client processes really are still there. After a certain period of inactivity on an established connection, the server's TCP/IP software will begin to send test packets to the client, which must be acknowledged. After a preset number of 'probe' packets has

152 AlterPath Console Server User Manual