ZyXEL Communications MES3500-24, MES3500-24F manual 335

			Appendix A Common Services
Table 142 Commonly Used Services (continued)
NAME	PROTOCOL	PORT(S)	DESCRIPTION
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.

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MES3500-24/24F User’s Guide