Cyclades ACS48 Network Hardware User Manual


 
Glossary
152 AlterPath Console Server User Manual
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