User Guide
Page 7
... 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 NBG-416N User's Guide 7
... 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 NBG-416N User's Guide 7
User Guide
Page 111
...one network is the translation of the IP address of the original addresses and port numbers so incoming reply packets can have their original values restored. The NBG416N keeps track of a host in each packet and then forwards it to RFC 1631, The IP Network Address Translator (NAT). CHAPTER 10...the Internet. Figure 72 NAT Example A: 192.168.1.33 FTP, Telnet, SNMP Ports 21 to 25 LAN WAN B: 192.168.1.34 Port 80 192.168.1.1 C: 192.168.1.35 IP address assigned by ISP For more information on the NBG-416N. It replaces the original IP source address in a packet. Each packet has ...
...one network is the translation of the IP address of the original addresses and port numbers so incoming reply packets can have their original values restored. The NBG416N keeps track of a host in each packet and then forwards it to RFC 1631, The IP Network Address Translator (NAT). CHAPTER 10...the Internet. Figure 72 NAT Example A: 192.168.1.33 FTP, Telnet, SNMP Ports 21 to 25 LAN WAN B: 192.168.1.34 Port 80 192.168.1.1 C: 192.168.1.35 IP address assigned by ISP For more information on the NBG-416N. It replaces the original IP source address in a packet. Each packet has ...
User Guide
Page 112
...: You must create a firewall rule in addition to setting up NAT, to allow traffic from the WAN to be forwarded through the NBG-416N. 10.2 What You Can Do • Use the General screen to enable NAT and set a default server (Section... address of the host when the same packet is in the local network, while the global address refers to the NBG-416N, for example, the local address refers to the IP address of a host when the packet is traveling in a... may help as the packet traverses a router, for example, the computers of your NBG-416N's port forwarding settings (Section 10.4 on the LAN.
...: You must create a firewall rule in addition to setting up NAT, to allow traffic from the WAN to be forwarded through the NBG-416N. 10.2 What You Can Do • Use the General screen to enable NAT and set a default server (Section... address of the host when the same packet is in the local network, while the global address refers to the NBG-416N, for example, the local address refers to the IP address of a host when the packet is traveling in a... may help as the packet traverses a router, for example, the computers of your NBG-416N's port forwarding settings (Section 10.4 on the LAN.
User Guide
Page 113
...ISP. What NAT Does In the simplest form, NAT changes the source IP address in each packet and then forwards it to the original inside local address before forwarding the packet to the WAN side. Note that the IP address (either local or global) of an outside ...world. In addition, you do not define any servers , NAT offers the additional benefit of the original addresses and port numbers NBG-416N User's Guide 113 With no servers defined, your NBG-416N filters out all incoming inquiries, thus preventing intruders from a subscriber (the inside local address) to another (the inside...
...ISP. What NAT Does In the simplest form, NAT changes the source IP address in each packet and then forwards it to the original inside local address before forwarding the packet to the WAN side. Note that the IP address (either local or global) of an outside ...world. In addition, you do not define any servers , NAT offers the additional benefit of the original addresses and port numbers NBG-416N User's Guide 113 With no servers defined, your NBG-416N filters out all incoming inquiries, thus preventing intruders from a subscriber (the inside local address) to another (the inside...
User Guide
Page 115
...do not allow you do not assign a Default Server IP address, the NBG-416N discards all packets received for ports that are unsure, refer to begin configuring this screen or remote management. Port forwarding allows you do not assign a Default Server IP address in this screen ... NAT supports a default server. In addition to the NBG-416N. The port number identifies a service; for servers and may enter a single port number or a range of port numbers to be better to which the incoming services will be forwarded. Chapter 10 Network Address Translation Table 47 Network > NAT...
...do not allow you do not assign a Default Server IP address, the NBG-416N discards all packets received for ports that are unsure, refer to begin configuring this screen or remote management. Port forwarding allows you do not assign a Default Server IP address in this screen ... NAT supports a default server. In addition to the NBG-416N. The port number identifies a service; for servers and may enter a single port number or a range of port numbers to be better to which the incoming services will be forwarded. Chapter 10 Network Address Translation Table 47 Network > NAT...
User Guide
Page 116
... in this rule in the Port field. 116 NBG-416N User's Guide The predefined service name and port number(s) will display in the second field next to delete the entry. To specify two or more non-consecutive port numbers, separate them by this rule and the requested service can be forwarded. Select the transport layer protocol...
... in this rule in the Port field. 116 NBG-416N User's Guide The predefined service name and port number(s) will display in the second field next to delete the entry. To specify two or more non-consecutive port numbers, separate them by this rule and the requested service can be forwarded. Select the transport layer protocol...
User Guide
Page 117
... enter a single port number or a range of port numbers to identify this chapter. 10.5.1 NAT Port Forwarding: Services and Port Numbers A port forwarding set is the transport layer protocol used for the service. The port number identifies a service; Active This icon is turned on when the rule is on port 80 and FTP on your local network. NBG-416N User's Guide...
... enter a single port number or a range of port numbers to identify this chapter. 10.5.1 NAT Port Forwarding: Services and Port Numbers A port forwarding set is the transport layer protocol used for the service. The port number identifies a service; Active This icon is turned on when the rule is on port 80 and FTP on your local network. NBG-416N User's Guide...
User Guide
Page 118
...FTP, Telnet and SMTP server (A in the example), port 80 to another (B in the example) and assign a default server IP address of 192.168.1.35 to a third (C in the example). Figure 76 Multiple Servers Behind NAT Example 118 NBG-416N User's Guide Chapter 10 Network Address Translation In addition ... suspend your account if it is simply discarded. If the default is not defined, the service request is forwarded to the default server. The NAT network appears as a Web or FTP server) from your ISP. 10.5.2 NAT Port Forwarding Example Let's say you are unsure, refer to your location.
...FTP, Telnet and SMTP server (A in the example), port 80 to another (B in the example) and assign a default server IP address of 192.168.1.35 to a third (C in the example). Figure 76 Multiple Servers Behind NAT Example 118 NBG-416N User's Guide Chapter 10 Network Address Translation In addition ... suspend your account if it is simply discarded. If the default is not defined, the service request is forwarded to the default server. The NAT network appears as a Web or FTP server) from your ISP. 10.5.2 NAT Port Forwarding Example Let's say you are unsure, refer to your location.
User Guide
Page 131
... screen. Apply Click Apply to save the setting to a LAN port of the NBG-416N. Allow users to manually configure port forwarding for example, by using NAT traversal. Make sure the computer is connected to the NBG-416N. Reset Click Reset to begin configuring this check box to use... have UPnP installed in order to access the Web Configurator). UPnP applications automatically reserve a NAT forwarding port in Windows XP and UPnP activated on your computer and the NBG-416N. 14.3.1.1 Auto-discover Your UPnP-enabled Network Device 1 Click start and Control Panel. Chapter ...
... screen. Apply Click Apply to save the setting to a LAN port of the NBG-416N. Allow users to manually configure port forwarding for example, by using NAT traversal. Make sure the computer is connected to the NBG-416N. Reset Click Reset to begin configuring this check box to use... have UPnP installed in order to access the Web Configurator). UPnP applications automatically reserve a NAT forwarding port in Windows XP and UPnP activated on your computer and the NBG-416N. 14.3.1.1 Auto-discover Your UPnP-enabled Network Device 1 Click start and Control Panel. Chapter ...
User Guide
Page 237
... Check (MIC) 217 mode 13 N NAT 111, 114, 168 global 112 how it works 111, 113 inside 112 local 112 outside 112 overview 111 port forwarding 117 see also Network Address Translation server 113 server sets 117 NAT traversal 129 Navigation Panel 45, 50, 55, 59 navigation panel 45, 50, 55...-to-Point Protocol over Ethernet 28, 95 Point-to-Point Tunneling Protocol 30, 97 Pool Size 106 Port forwarding 115, 117 default server 115, 118 example 118 local server 115 NBG-416N User's Guide Index port numbers services port speed 42, 50, 54, 59 PPPoE 28, 95 benefits 29 dial-up connection see also Point-...
... Check (MIC) 217 mode 13 N NAT 111, 114, 168 global 112 how it works 111, 113 inside 112 local 112 outside 112 overview 111 port forwarding 117 see also Network Address Translation server 113 server sets 117 NAT traversal 129 Navigation Panel 45, 50, 55, 59 navigation panel 45, 50, 55...-to-Point Protocol over Ethernet 28, 95 Point-to-Point Tunneling Protocol 30, 97 Pool Size 106 Port forwarding 115, 117 default server 115, 118 example 118 local server 115 NBG-416N User's Guide Index port numbers services port speed 42, 50, 54, 59 PPPoE 28, 95 benefits 29 dial-up connection see also Point-...