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ZyXEL NBG-416N User Guide - Page 117

Technical Reference, 10.5.1 NAT Port Forwarding: Services and Port Numbers, Table 48

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Chapter 10 Network Address Translation Table 48 Network > NAT > Application (continued) LABEL DESCRIPTION Apply Click Apply to save your changes to the Application Rules Summary table. Reset Click Reset to not save and return your new changes in the Service Name and Port fields to the previous one. Application Rules Summary # This is the number of an individual port forwarding server entry. Active This icon is turned on when the rule is enabled. Name This field displays a name to identify this rule. Local Start/End This field displays the port number(s). Port Public Start/End Port Protocol Server IP Address Modify This is the transport layer protocol used for the service. This field displays the inside IP address of the server. Click the Edit icon to display and modify an existing rule setting in the fields under Add Application Rule. Click the Remove icon to delete a rule. 10.5 Technical Reference The following section contains additional technical information about the NBG416N features described in this chapter. 10.5.1 NAT Port Forwarding: Services and Port Numbers A port forwarding set is a list of inside (behind NAT on the LAN) servers, for example, web or FTP, that you can make accessible to the outside world even though NAT makes your whole inside network appear as a single machine to the outside world. Use the Application screen to forward incoming service requests to the server(s) on your local network. You may enter a single port number or a range of port numbers to be forwarded, and the local IP address of the desired server. The port number identifies a service; for example, web service is on port 80 and FTP on port 21. In some cases, such as for unknown services or where one server can support more than one service (for example both FTP and web service), it might be better to specify a range of port numbers. NBG-416N User's Guide 117

Section	Page
NBG-416N	1
Contents Overview	3
Table of Contents	5
User’s Guide	11
Introduction	13
1.1 Overview	13
1.2 Securing the NBG-416N	14
1.3 LEDs	15
1.4 The WPS Button	16
1.5 Wall Mounting	16
The Web Configurator	19
2.1 Overview	19
2.2 Accessing the Web Configurator	19
2.3 Resetting the NBG-416N	21
2.3.1 Using the RESET Button	21
Connection Wizard	23
3.1 Wizard Setup	23
3.2 Connection Wizard: STEP 1: System Information	24
3.2.1 System Name	24
3.2.2 Domain Name	25
3.3 Connection Wizard: STEP 2: Wireless LAN	26
3.3.1 WPA-PSK or WPA2-PSK Security	27
3.4 Connection Wizard: STEP 3: Internet Configuration	27
3.4.1 Ethernet Connection	28
3.4.2 PPPoE Connection	28
3.4.3 PPTP Connection	30
3.4.4 Your IP Address	31
3.4.5 WAN IP Address Assignment	32
3.4.6 IP Address and Subnet Mask	32
3.4.7 DNS Server Address Assignment	33
3.4.8 WAN IP and DNS Server Address Assignment	34
3.4.9 WAN MAC Address	35
3.5 Connection Wizard Complete	36
Modes	37
4.1 Overview	37
4.2 Setting your NBG-416N to Router Mode	39
4.2.1 Status Screen (Router Mode)	40
4.2.2 Router Mode Navigation Panel	45
4.3 Setting your NBG-416N to AP Mode	47
4.3.1 Status Screen (AP Mode)	48
4.3.2 AP Navigation Panel	50
4.4 Setting your NBG-416N to Universal Repeater Mode	52
4.4.1 Status Screen (Universal Repeater Mode)	53
4.4.2 Universal Repeater Navigation Panel	55
4.5 Setting your NBG-416N to Client Bridge Mode	56
4.5.1 Status Screen (Client Bridge Mode)	57
4.5.2 Client Bridge Navigation Panel	59
Tutorials	61
5.1 Overview	61
5.2 How to Connect to the Internet from an AP	61
5.2.1 Configure Wireless Security Using WPS on both your NBG-416N and Wireless Client	61
5.3 Enable and Configure Wireless Security without WPS on your NBG-416N	65
Technical Reference	69
Wireless LAN	71
6.1 Overview	71
6.2 What You Can Do	72
6.3 What You Should Know	73
6.3.1 Wireless Security Overview	73
6.4 General Wireless LAN Screen	75
6.4.1 No Security	77
6.4.2 WEP Encryption	78
6.4.3 WPA-PSK/WPA2-PSK	80
6.5 MAC Filter	81
6.6 Wireless LAN Advanced Screen	83
6.7 Quality of Service (QoS) Screen	85
6.8 WPS Screen	86
6.9 WPS Station Screen	87
6.10 Scheduling Screen	87
6.11 AP Select Screen	89
6.12 WLAN Info Screen	90
WAN	91
7.1 Overview	91
7.2 What You Need To Know	91
7.2.1 Configuring Your Internet Connection	92
7.3 Internet Connection	93
7.3.1 Ethernet Encapsulation	93
7.3.2 PPPoE Encapsulation	95
7.3.3 PPTP Encapsulation	97
LAN	101
8.1 Overview	101
8.2 What You Need To Know	102
8.2.1 IP Pool Setup	102
8.2.2 LAN TCP/IP	102
8.3 LAN IP Screen	103
DHCP Server	105
9.1 Overview	105
9.2 What You Can Do	105
9.3 What You Need To Know	105
9.4 General Screen	106
9.5 Advanced Screen	106
9.6 Client List Screen	108
Network Address Translation	111
10.1 Overview	111
10.2 What You Can Do	112
10.2.1 What You Need To Know	112
10.3 General NAT Screen	114
10.4 NAT Application Screen	115
10.5 Technical Reference	117
10.5.1 NAT Port Forwarding: Services and Port Numbers	117
10.5.2 NAT Port Forwarding Example	118
Dynamic DNS	119
11.1 Overview	119
11.2 Dynamic DNS Screen	119
Firewall	121
12.1 Overview	121
12.2 What You Can Do	121
12.3 What You Need To Know	122
12.3.1 About the NBG-416N Firewall	122
12.3.2 VPN Pass Through Features	122
12.4 General Firewall Screen	123
12.5 Services Screen	123
Remote Management	125
13.1 Overview	125
13.1.1 Remote Management Limitations	126
13.1.2 Remote Management and NAT	126
13.1.3 System Timeout	126
13.2 WWW Screen	127
Universal Plug-and-Play (UPnP)	129
14.1 Overview	129
14.2 What You Need to Know	129
14.3 Configuring UPnP	130
14.3.1 Using UPnP in Windows XP Example	131
14.3.2 Web Configurator Easy Access	133
System	135
15.1 Overview	135
15.2 What You Can Do	135
15.3 System General Screen	135
15.4 Time Setting Screen	137
Logs	141
16.1 Overview	141
16.2 What You Need to Know	141
16.3 View Log Screen	141
Tools	143
17.1 Overview	143
17.2 What You Can Do	143
17.3 Firmware Upload Screen	143
17.4 Configuration Screen	146
17.4.1 Backup Configuration	146
17.4.2 Restore Configuration	146
17.4.3 Back to Factory Defaults	147
17.5 Restart Screen	148
Sys OP Mode	149
18.1 Overview	149
18.2 General Screen	149
Language	153
19.1 Language Screen	153
Troubleshooting	155
20.1 Power, Hardware Connections, and LEDs	155
20.2 NBG-416N Access and Login	156
20.3 Internet Access	158
20.4 Resetting the NBG-416N to Its Factory Defaults	159
20.5 Wireless Problems	160
IP Addresses and Subnetting	161
Setting Up Your Computer’s IP Address	171
Pop-up Windows, JavaScripts and Java Permissions	199
Wireless LANs	209
Common Services	223
Legal Information	227