Instructions

Appendix C Common Services
NBG6604 User’s Guide
141
TACACS UDP 49 Login Host Protocol used for (Terminal Access
Controller Access Control System).
TELNET TCP 23 Telnet is the login and terminal emulation protocol
common on the Internet and in UNIX environments. It
operates over TCP/IP networks. Its primary function is
to allow users to log into remote host systems.
TFTP UDP 69 Trivial File Transfer Protocol is an Internet file transfer
protocol similar to FTP, but uses the UDP (User
Datagram Protocol) rather than TCP (Transmission
Control Protocol).
VDOLIVE TCP 7000 Another videoconferencing solution.
Table 42 Commonly Used Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION