EMGâ„¢ Edge Management Gateway User Guide 470
TACACS+ (Terminal Access Controller Access Control System)
A method of authentication used in UNIX networks. It allows a remote access server to
communicate with an authentication server to determine whether the user has access to the
network.
Telnet
A terminal protocol that provides an easy-to-use method of creating terminal connections to a
network host.
TFTP (Trivial File Transfer Protocol)
Simpler version of FTP that doesn’t require any type of authentication.
Xmodem
A file transfer protocol that allows file transfer between two computers across the serial port.
Subsequent modified versions of the protocol are called Ymodem and Zmodem.