ZyXEL Communications MES3500 Series, User Manual

Page: 356 / 370

Appendix B Common Services
MES3500 Series User’s Guide
356
SMTP TCP 25 Simple Mail Transfer Protocol is the message-
exchange standard for the Internet. SMTP
enables you to move messages from one e-
mail server to another.
SNMP TCP/UDP 161 Simple Network Management Program.
SNMP-TRAPS TCP/UDP 162 Traps for use with the SNMP (RFC:1215).
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 166
Commonly Used Services (continued)
NAME PROTOCOL PORT(S) DESCRIPTION