ZyXEL Communications MES3500 series User Manual page 356

Table 166 Commonly Used Services (continued)
NAME PROTOCOL
SMTP TCP
SNMP TCP/UDP
SNMP-TRAPS TCP/UDP
SQL-NET TCP
SSH TCP/UDP
STRM WORKS UDP
SYSLOG UDP
TACACS UDP
TELNET TCP
TFTP UDP
VDOLIVE TCP
Appendix B Common Services
PORT(S)
25
161
162
1521
22
1558
514
49
23
69
7000
MES3500 Series User's Guide
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DESCRIPTION
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.
Simple Network Management Program.
Traps for use with the SNMP (RFC:1215).
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.
Secure Shell Remote Login Program.
Stream Works Protocol.
Syslog allows you to send system logs to a
UNIX server.
Login Host Protocol used for (Terminal Access
Controller Access Control System).
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.
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).
Another videoconferencing solution.