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ZyXEL Communications ADSL VoIP IAD with 802.11g Wireless 2602HW Series User Manual

Page 185

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Prestige 2602HW Series User’s Guide

Chapter 14 Firewall Configuration

185

HTTP(TCP:80)

Hyper Text Transfer Protocol - a client/server protocol for the world

wide web.

HTTPS

HTTPS is a secured http session often used in e-commerce.

ICQ(UDP:4000)

This is a popular Internet chat program.

IPSEC_TRANSPORT/

TUNNEL(AH:0)

The IPSEC AH (Authentication Header) tunneling protocol uses this

service.

IPSEC_TUNNEL(ESP:0)

The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol

uses this service.

IRC(TCP/UDP:6667)

This is another popular Internet chat program.

MSN Messenger(TCP:1863)

Microsoft Networks’ messenger service uses this protocol.

MULTICAST(IGMP:0)

Internet Group Multicast Protocol is used when sending packets to a

specific group of hosts.

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(ICMP:0)

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(GRE:0)

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: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.

SSDP(UDP:1900)

Simole Service Discovery Protocol (SSDP) is a discovery service

searching for Universal Plug and Play devices on your home network

or upstream Internet gateways using DUDP port 1900.

Table 52 Predefined Services (continued)

SERVICE

DESCRIPTION