Appendix C Common Services

 

Table 124 Commonly Used Services (continued)

 

NAME

PROTOCOL

PORT(S)

DESCRIPTION

 

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

 

(GRE)

 

 

Protocol) enables secure 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

 

 

 

 

Protocol.

 

 

 

 

 

 

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.

 

 

 

 

 

 

409

NSA320 User’s Guide