User Guide
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... Port Forwarding ...107 10.6.4 Trigger Port Forwarding Example 107 10.6.5 Two Points To Remember About Trigger Ports 108 Chapter 11 Dynamic DNS ...109 11.1 Overview ...109 11.2 Dynamic DNS Screen ...109 Chapter 12 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 v2 Firewall... Configurator Easy Access 123 Chapter 15 Bandwidth MGMT...126 15.1 Overview ...126 15.2 What You Can Do ...126 15.3 What You Need To Know ...126 NBG-418N v2 User's Guide 7
... Port Forwarding ...107 10.6.4 Trigger Port Forwarding Example 107 10.6.5 Two Points To Remember About Trigger Ports 108 Chapter 11 Dynamic DNS ...109 11.1 Overview ...109 11.2 Dynamic DNS Screen ...109 Chapter 12 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 v2 Firewall... Configurator Easy Access 123 Chapter 15 Bandwidth MGMT...126 15.1 Overview ...126 15.2 What You Can Do ...126 15.3 What You Need To Know ...126 NBG-418N v2 User's Guide 7
User Guide
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... in each packet and then forwards it to be forwarded through the NBG-418N v2. Note: You must create a firewall rule in a packet. NBG-418N v2 User's Guide 100 a source address and a destination address. The following figure illustrates this. Figure 70 NAT Example A: 192.168.1.33 FTP, Telnet, SNMP Ports 21 to a different IP ...example, the source address of a host in addition to setting up NAT, to allow traffic from the WAN to the Internet. The NBG-418N v2 keeps track of the original addresses and port numbers so incoming reply packets can have their original values restored.
... in each packet and then forwards it to be forwarded through the NBG-418N v2. Note: You must create a firewall rule in a packet. NBG-418N v2 User's Guide 100 a source address and a destination address. The following figure illustrates this. Figure 70 NAT Example A: 192.168.1.33 FTP, Telnet, SNMP Ports 21 to a different IP ...example, the source address of a host in addition to setting up NAT, to allow traffic from the WAN to the Internet. The NBG-418N v2 keeps track of the original addresses and port numbers so incoming reply packets can have their original values restored.
User Guide
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...IP address (either local or global) of a host used in the local network, while the global address refers to the IP address of your NBG-418N v2's port forwarding settings (Section 10.4 on the WAN side. Global/Local This denotes the IP address of a host in a packet as the packet traverses ... Outside Local Global DESCRIPTION This refers to the WAN side. NBG-418N v2 User's Guide 101 When the response comes back, NAT translates the destination address (the inside global address) back to the inside global address) before forwarding it to the host on the LAN. Note that the ...
...IP address (either local or global) of a host used in the local network, while the global address refers to the IP address of your NBG-418N v2's port forwarding settings (Section 10.4 on the WAN side. Global/Local This denotes the IP address of a host in a packet as the packet traverses ... Outside Local Global DESCRIPTION This refers to the WAN side. NBG-418N v2 User's Guide 101 When the response comes back, NAT translates the destination address (the inside global address) back to the inside global address) before forwarding it to the host on the LAN. Note that the ...
User Guide
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...addresses to enable NAT and set a default server. The NBG-418N v2 keeps track of firewall protection. Figure 71 How NAT Works 10.3 General NAT Screen Use this . It replaces the original IP source address in each packet and then forwards it to open the General screen. Click Network > ...the source address on the WAN. Figure 72 Network > NAT > General NBG-418N v2 User's Guide 102 In addition, you do not define any servers, NAT offers the additional benefit of the original addresses and port numbers so incoming reply packets can be either static or dynamically assigned by ...
...addresses to enable NAT and set a default server. The NBG-418N v2 keeps track of firewall protection. Figure 71 How NAT Works 10.3 General NAT Screen Use this . It replaces the original IP source address in each packet and then forwards it to open the General screen. Click Network > ...the source address on the WAN. Figure 72 Network > NAT > General NBG-418N v2 User's Guide 102 In addition, you do not define any servers, NAT offers the additional benefit of the original addresses and port numbers so incoming reply packets can be either static or dynamically assigned by ...
User Guide
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...service request is enabled or disabled. Port forwarding allows you do not assign a Default Server IP address in the Application screen or remote management. Note: If you to define the local servers to the default server. NBG-418N v2 User's Guide 103 Apply Reset If ...for example a public IP address used in this screen afresh. 10.4 NAT Application Screen Use the Application screen to forward incoming service requests to your NBG-418N v2's port forwarding settings, click Network > NAT > Application. Server IP Address In addition to activate the default server. If you...
...service request is enabled or disabled. Port forwarding allows you do not assign a Default Server IP address in the Application screen or remote management. Note: If you to define the local servers to the default server. NBG-418N v2 User's Guide 103 Apply Reset If ...for example a public IP address used in this screen afresh. 10.4 NAT Application Screen Use the Application screen to forward incoming service requests to your NBG-418N v2's port forwarding settings, click Network > NAT > Application. Server IP Address In addition to activate the default server. If you...
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... Choices are TCP, UDP, or TCP&UDP. Local Port Range This field displays the port number(s). NBG-418N v2 User's Guide 104 The predefined service port number(s) and protocol will display in the User Name, Public and Local Port fields. Local Port Range To specify a range of the server. Reset ... characters) to the previous one. Click the Delete icon to be forwarded. The predefined service name and port number(s) will display in the fields below. To specify two or more non-consecutive port numbers, separate them by this rule in the first field. Protocol ...
... Choices are TCP, UDP, or TCP&UDP. Local Port Range This field displays the port number(s). NBG-418N v2 User's Guide 104 The predefined service port number(s) and protocol will display in the User Name, Public and Local Port fields. Local Port Range To specify a range of the server. Reset ... characters) to the previous one. Click the Delete icon to be forwarded. The predefined service name and port number(s) will display in the fields below. To specify two or more non-consecutive port numbers, separate them by this rule in the first field. Protocol ...
User Guide
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... that a server on the WAN. Add Application Rule User-defined Type a unique name (up to apply the NAT Port Trigger status you choose above. The NBG-418N v2 forwards the traffic with this screen. NBG-418N v2 User's Guide 105 Apply Click Apply button to 15 characters) for identification purposes. All characters are Application Name permitted - including spaces...
... that a server on the WAN. Add Application Rule User-defined Type a unique name (up to apply the NAT Port Trigger status you choose above. The NBG-418N v2 forwards the traffic with this screen. NBG-418N v2 User's Guide 105 Apply Click Apply button to 15 characters) for identification purposes. All characters are Application Name permitted - including spaces...
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... section contains additional technical information about the NBG-418N v2 features described in this chapter. 10.6.1 NAT Port Forwarding: Services and Port Numbers A port forwarding set is forwarded to a third (C in the example) and assign a default server IP address of port numbers. The port number identifies a service; The NAT network...more than one FTP, Telnet and SMTP server (A in the example), port 80 to another (B in the example). Use the Application screen to forward incoming service requests to the NBG-418N v2. You assign the LAN IP addresses and the ISP assigns the WAN ...
... section contains additional technical information about the NBG-418N v2 features described in this chapter. 10.6.1 NAT Port Forwarding: Services and Port Numbers A port forwarding set is forwarded to a third (C in the example) and assign a default server IP address of port numbers. The port number identifies a service; The NAT network...more than one FTP, Telnet and SMTP server (A in the example), port 80 to another (B in the example). Use the Application screen to forward incoming service requests to the NBG-418N v2. You assign the LAN IP addresses and the ISP assigns the WAN ...
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... computer that service closes, another LAN computer's IP address. When the NBG-418N v2's WAN port receives a response with a specific port number and protocol (a "trigger" port). After that computer's connection for that sent the request. The problem is an example of trigger port forwarding. With regular port forwarding you want a different LAN computer to dynamically take turns using the service...
... computer that service closes, another LAN computer's IP address. When the NBG-418N v2's WAN port receives a response with a specific port number and protocol (a "trigger" port). After that computer's connection for that sent the request. The problem is an example of trigger port forwarding. With regular port forwarding you want a different LAN computer to dynamically take turns using the service...
User Guide
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...), or two hours with the "incoming" port range of 69707170. 3 The Real Audio server responds using a port number ranging between 6970-7170. 4 The NBG-418N v2 forwards the traffic to Jane's computer IP address. 5 Only Jane can 't trigger it. Chapter 10 Network Address Translation 2 Port 7070 is a "trigger" port and causes the NBG-418N v2 to the outside. 2 If an application...
...), or two hours with the "incoming" port range of 69707170. 3 The Real Audio server responds using a port number ranging between 6970-7170. 4 The NBG-418N v2 forwards the traffic to Jane's computer IP address. 5 Only Jane can 't trigger it. Chapter 10 Network Address Translation 2 Port 7070 is a "trigger" port and causes the NBG-418N v2 to the outside. 2 If an application...
User Guide
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...100, 103, 155 global 101 how it works 100, 102 inside 101 local 101 outside 101 overview 100 port forwarding 106 see also Network Address Translation server 102 server sets 106 NAT traversal 118 Navigation Panel 35, 38, 42... over Ethernet 22, 79 Point-to-Point Tunneling Protocol 23 Pool Size 97 Port forwarding 103, 106 default server 103, 106 example 106 local server 103 port numbers services Port Trigger 105 PPPoE 22, 79 benefits 22 RADIUS 200 message types 201 messages 201... RTS/CTS Threshold 61, 69 S safety warnings 216 Scheduling 71 screw anchor 15 Service Set 65 NBG-418N v2 User's Guide 226
...100, 103, 155 global 101 how it works 100, 102 inside 101 local 101 outside 101 overview 100 port forwarding 106 see also Network Address Translation server 102 server sets 106 NAT traversal 118 Navigation Panel 35, 38, 42... over Ethernet 22, 79 Point-to-Point Tunneling Protocol 23 Pool Size 97 Port forwarding 103, 106 default server 103, 106 example 106 local server 103 port numbers services Port Trigger 105 PPPoE 22, 79 benefits 22 RADIUS 200 message types 201 messages 201... RTS/CTS Threshold 61, 69 S safety warnings 216 Scheduling 71 screw anchor 15 Service Set 65 NBG-418N v2 User's Guide 226
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... Setup 126, 127, 129 System Name 130 System restart 138 T TCP/IP configuration 96 Temporal Key Integrity Protocol (TKIP) 203 Time setting 130 trigger port 107 Trigger port forwarding 107 example 107 process 107 U Universal Plug and Play 118 application 118 universal repeater 12 UPnP 118 example 125 installation 125 security issues 118... key caching 204 pre-authentication 204 user authentication 204 vs WPA-PSK 204 wireless client supplicant 204 with RADIUS application example 205 WPA compatible 63 NBG-418N v2 User's Guide 227 Index Service Set IDentification 65, 74 Service Set IDentity.
... Setup 126, 127, 129 System Name 130 System restart 138 T TCP/IP configuration 96 Temporal Key Integrity Protocol (TKIP) 203 Time setting 130 trigger port 107 Trigger port forwarding 107 example 107 process 107 U Universal Plug and Play 118 application 118 universal repeater 12 UPnP 118 example 125 installation 125 security issues 118... key caching 204 pre-authentication 204 user authentication 204 vs WPA-PSK 204 wireless client supplicant 204 with RADIUS application example 205 WPA compatible 63 NBG-418N v2 User's Guide 227 Index Service Set IDentification 65, 74 Service Set IDentity.