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Table 74, Protocol, Ports, Description

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Appendix E Common Services Table 74 Commonly Used Services (continued) NAME PROTOCOL PORT(S) HTTPS TCP 443 ICMP User-Defined 1 ICQ IGMP (MULTICAST) UDP User-Defined 4000 2 IKE UDP 500 IRC MSN Messenger TCP/UDP TCP 6667 1863 NEW-ICQ NEWS NFS TCP TCP UDP 5190 144 2049 NNTP PING TCP 119 User-Defined 1 POP3 TCP 110 PPTP TCP 1723 PPTP_TUNNEL (GRE) RCMD REAL_AUDIO REXEC RLOGIN RTELNET RTSP User-Defined TCP TCP TCP TCP TCP TCP/UDP 47 512 7070 514 513 107 554 SFTP TCP 115 SMTP TCP 25 SNMP TCP/UDP 161 SNMP-TRAPS TCP/UDP 162 DESCRIPTION HTTPS is a secured http session often used in ecommerce. Internet Control Message Protocol is often used for diagnostic or routing purposes. This is a popular Internet chat program. Internet Group Management Protocol is used when sending packets to a specific group of hosts. The Internet Key Exchange algorithm is used for key distribution and management. This is another popular Internet chat program. Microsoft Networks' messenger service uses this protocol. An Internet chat program. A protocol for news groups. Network File System - NFS is a client/server distributed file service that provides transparent file sharing for network environments. Network News Transport Protocol is the delivery mechanism for the USENET newsgroup service. Packet INternet Groper is a protocol that sends out ICMP echo requests to test whether or not a remote host is reachable. Post Office Protocol version 3 lets a client computer get e-mail from a POP3 server through a temporary connection (TCP/IP or other). Point-to-Point Tunneling Protocol enables secure transfer of data over public networks. This is the control channel. PPTP (Point-to-Point Tunneling Protocol) enables secure transfer of data over public networks. This is the data channel. Remote Command Service. A streaming audio service that enables real time sound over the web. Remote Execution Daemon. Remote Login. Remote Telnet. The Real Time Streaming (media control) Protocol (RTSP) is a remote control for multimedia on the Internet. Simple File Transfer Protocol. Simple Mail Transfer Protocol is the messageexchange standard for the Internet. SMTP enables you to move messages from one e-mail server to another. Simple Network Management Program. Traps for use with the SNMP (RFC:1215). 210 NBG-418N User's Guide

Section	Page
NBG-418N	1
Contents Overview	3
Table of Contents	5
User’s Guide	11
Introduction	13
1.1 Overview	13
1.2 Securing the NBG-418N	14
1.3 LEDs	15
1.4 The WPS Button	15
1.5 Wall Mounting	16
The Web Configurator	17
2.1 Overview	17
2.2 Accessing the Web Configurator	17
2.3 Resetting the NBG-418N	19
2.3.1 Using the RESET Button	19
Connection Wizard	21
3.1 Wizard Setup	21
3.2 Connection Wizard: STEP 1: System Information	22
3.2.1 System Name	22
3.2.2 Domain Name	23
3.3 Connection Wizard: STEP 2: Wireless LAN	23
3.3.1 WPA-PSK or WPA2-PSK Security	24
3.4 Connection Wizard: STEP 3: Internet Configuration	25
3.4.1 Ethernet Connection	26
3.4.2 PPPoE Connection	26
3.4.3 PPTP Connection	27
3.4.4 Your IP Address	28
3.4.5 WAN IP Address Assignment	29
3.4.6 IP Address and Subnet Mask	30
3.4.7 DNS Server Address Assignment	30
3.4.8 WAN IP and DNS Server Address Assignment	30
3.4.9 WAN MAC Address	31
3.5 Connection Wizard Complete	32
Modes	35
4.1 Overview	35
4.2 Setting your NBG-418N to Router Mode	36
4.2.1 Status Screen (Router Mode)	37
4.2.2 Router Mode Navigation Panel	42
4.3 Setting your NBG-418N to AP Mode	44
4.3.1 Status Screen (AP Mode)	45
4.3.2 AP Navigation Panel	47
4.4 Setting your NBG-418N to Universal Repeater Mode	48
4.4.1 Status Screen (Universal Repeater Mode)	49
4.4.2 Universal Repeater Navigation Panel	51
4.5 Setting your NBG-418N to Client Bridge Mode	52
4.5.1 Status Screen (Client Bridge Mode)	53
4.5.2 Client Bridge Navigation Panel	54
Tutorials	57
5.1 Overview	57
5.2 How to Connect to the Internet from an AP	57
5.2.1 Configure Wireless Security Using WPS on both your NBG-418N and Wireless Client	57
5.3 Enable and Configure Wireless Security without WPS on your NBG-418N	61
Technical Reference	65
Wireless LAN	67
6.1 Overview	67
6.2 What You Can Do	68
6.3 What You Should Know	69
6.3.1 Wireless Security Overview	69
6.4 General Wireless LAN Screen	70
6.4.1 No Security	72
6.4.2 WEP Encryption	73
6.4.3 WPA-PSK/WPA2-PSK	74
6.5 MAC Filter	75
6.6 Wireless LAN Advanced Screen	76
6.7 Quality of Service (QoS) Screen	78
6.8 WPS Screen	79
6.9 WPS Station Screen	80
6.10 Scheduling Screen	81
6.11 AP Select Screen	82
6.12 WLAN Info Screen	83
WAN	85
7.1 Overview	85
7.2 What You Need To Know	85
7.2.1 Configuring Your Internet Connection	85
7.3 Internet Connection	86
7.3.1 Ethernet Encapsulation	86
7.3.2 PPPoE Encapsulation	88
7.3.3 PPTP Encapsulation	90
LAN	93
8.1 Overview	93
8.2 What You Need To Know	93
8.2.1 IP Pool Setup	94
8.2.2 LAN TCP/IP	94
8.3 LAN IP Screen	94
DHCP Server	97
9.1 Overview	97
9.2 What You Can Do	97
9.3 What You Need To Know	97
9.4 General Screen	97
9.5 Advanced Screen	98
9.6 Client List Screen	100
Network Address Translation	101
10.1 Overview	101
10.2 What You Can Do	102
10.2.1 What You Need To Know	102
10.3 General NAT Screen	103
10.4 NAT Application Screen	104
10.5 Technical Reference	106
10.5.1 NAT Port Forwarding: Services and Port Numbers	106
10.5.2 NAT Port Forwarding Example	107
Dynamic DNS	109
11.1 Overview	109
11.2 Dynamic DNS Screen	109
Firewall	111
12.1 Overview	111
12.2 What You Can Do	111
12.3 What You Need To Know	112
12.3.1 About the NBG-418N Firewall	112
12.3.2 VPN Pass Through Features	112
12.4 General Firewall Screen	112
12.5 Services Screen	113
Remote Management	115
13.1 Overview	115
13.1.1 Remote Management Limitations	116
13.1.2 Remote Management and NAT	116
13.1.3 System Timeout	116
13.2 WWW Screen	116
Universal Plug-and-Play (UPnP)	119
14.1 Overview	119
14.2 What You Need to Know	119
14.3 Configuring UPnP	120
14.3.1 Using UPnP in Windows XP Example	120
14.3.2 Web Configurator Easy Access	122
System	125
15.1 Overview	125
15.2 What You Can Do	125
15.3 System General Screen	125
15.4 Time Setting Screen	126
Logs	129
16.1 Overview	129
16.2 What You Need to Know	129
16.3 View Log Screen	129
Tools	131
17.1 Overview	131
17.2 What You Can Do	131
17.3 Firmware Upload Screen	131
17.4 Configuration Screen	133
17.4.1 Backup Configuration	133
17.4.2 Restore Configuration	133
17.4.3 Back to Factory Defaults	134
17.5 Restart Screen	134
Sys OP Mode	137
18.1 Overview	137
18.2 General Screen	137
Language	139
19.1 Language Screen	139
Troubleshooting	141
20.1 Power, Hardware Connections, and LEDs	141
20.2 NBG-418N Access and Login	142
20.3 Internet Access	143
20.4 Resetting the NBG-418N to Its Factory Defaults	144
20.5 Wireless Problems	145
IP Addresses and Subnetting	147
Pop-up Windows, JavaScripts and Java Permissions	157
Setting Up Your Computer’s IP Address	167
Wireless LANs	195
Common Services	209
Legal Information	213

Match case Limit results 1 per page

Appendix E Common Services

NBG-418N User’s Guide

210

HTTPS

TCP

443

HTTPS is a secured http session often used in e-

commerce.

ICMP

User-Defined

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

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

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)

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).

Table 74

Commonly Used Services (continued)

NAME

PROTOCOL

PORT(S)

DESCRIPTION