ZyXEL Communications OLT2406, User Manual

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Appendix B Common Services
OLT2406 User’s Guide
752
SQL-NET TCP 1521 Structured Query Language is an interface to
access data on many different types of
database systems, including mainframes,
midrange systems, UNIX systems and network
servers.
SSH TCP/UDP 22 Secure Shell Remote Login Program.
STRM WORKS UDP 1558 Stream Works Protocol.
SYSLOG UDP 514 Syslog allows you to send system logs to a UNIX
server.
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 390 Commonly Used Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION