Инструкция для ZYXEL NXC5200

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Appendix B Common Services

NXC5200 User’s Guide

615

PPTP

TCP

1723

Point-to-Point Tunneling Protocol
enables secure transfer of data over
public networks. This is the control
channel.

PPTP_TUNNEL
(GRE)

User-Defined

PPTP (Point-to-Point Tunneling
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

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

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

TELNET

TCP

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.

Table 244

Commonly Used Services (continued)

NAME

PROTOCOL

PORT(S)

DESCRIPTION