Appendix E Services

Table 136 Examples of Services (continued)

NAME

PROTOCOL

PORT(S)

DESCRIPTION

 

 

 

 

SFTP

TCP

115

The Simple File Transfer Protocol is an

 

 

 

old way of transferring files between

 

 

 

computers.

 

 

 

 

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.

 

 

 

 

SMTPS

TCP

465

This is a more secure version of SMTP

 

 

 

that runs over SSL.

 

 

 

 

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.

 

 

 

 

SSDP

UDP

1900

The Simple Service Discovery Protocol

 

 

 

supports Universal Plug-and-Play

 

 

 

(UPnP).

 

 

 

 

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

A videoconferencing solution. The UDP

 

UDP

user-

port number is specified in the

 

application.

 

 

defined

 

 

 

 

 

 

 

372

NBG-460N User’s Guide

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