Appendix D Common Services

Table 68 Commonly Used Services (continued)

NAME

PROTOCOL

PORT(S)

DESCRIPTION

ICMP

User-Defined

1

Internet Control Message Protocol is often used for

 

 

 

diagnostic or routing purposes.

 

 

 

 

ICQ

UDP

4000

This is a popular Internet chat program.

 

 

 

 

IGMP (MULTICAST)

User-Defined

2

Internet Group Management Protocol is used when

 

 

 

sending packets to a specific group of hosts.

 

 

 

 

IKE

UDP

500

The Internet Key Exchange algorithm is used for key

 

 

 

distribution and management.

 

 

 

 

IRC

TCP/UDP

6667

This is another popular Internet chat program.

 

 

 

 

MSN Messenger

TCP

1863

Microsoft Networks’ messenger service uses this protocol.

 

 

 

 

NEW-ICQ

TCP

5190

An Internet chat program.

 

 

 

 

NEWS

TCP

144

A protocol for news groups.

 

 

 

 

NFS

UDP

2049

Network File System - NFS is a client/server distributed

 

 

 

file service that provides transparent file sharing for

 

 

 

network environments.

 

 

 

 

NNTP

TCP

119

Network News Transport Protocol is the delivery

 

 

 

mechanism for the USENET newsgroup service.

 

 

 

 

PING

User-Defined

1

Packet INternet Groper is a protocol that sends out ICMP

 

 

 

echo requests to test whether or not a remote host is

 

 

 

reachable.

 

 

 

 

POP3

TCP

110

Post Office Protocol version 3 lets a client computer get e-

 

 

 

mail from a POP3 server through a temporary connection

 

 

 

(TCP/IP or other).

 

 

 

 

PPTP

TCP

1723

Point-to-Point Tunneling Protocol enables secure transfer

 

 

 

of data over public networks. This is the control channel.

 

 

 

 

PPTP_TUNNEL

User-Defined

47

PPTP (Point-to-Point Tunneling Protocol) enables secure

(GRE)

 

 

transfer of data over public networks. This is the data

 

 

 

channel.

 

 

 

 

RCMD

TCP

512

Remote Command Service.

 

 

 

 

REAL_AUDIO

TCP

7070

A streaming audio service that enables real time sound

 

 

 

over the web.

 

 

 

 

REXEC

TCP

514

Remote Execution Daemon.

 

 

 

 

RLOGIN

TCP

513

Remote Login.

 

 

 

 

RTELNET

TCP

107

Remote Telnet.

 

 

 

 

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.

 

 

 

 

178

 

LTE6100 User’s Guide