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ZyXEL Communications ES-3148 Series User Manual

Page 337

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Appendix D Common Services

ES-3148 User’s Guide

337

RTSP

TCP/UDP

554

The Real Time Streaming (media control)

Protocol (RTSP) is a remote control for

multimedia on the Internet.

SFTP

TCP

115

Simple File Transfer Protocol.

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 135 Commonly Used Services (continued)

NAME

PROTOCOL

PORT(S)

DESCRIPTION