Netgear Wndr4300v2 N750 Wifi Dual Band Gigabit Router Premium Edition User Manual

Manage Your Network 
131  N750 WiFi Router
Note:For enhanced security, restrict access to as few external IP addresses 
as practical.
Select one of the following:
•Only This Computer. Allow access from a single IP address on the Internet. Enter 
the IP address to be allowed access. 
•IP Address Range. Allow access from a range of IP addresses on the Internet. Enter 
a beginning IP address and an ending IP address to define the allowed range. 
•Everyone. Allow access from any IP address on the Internet....

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11
11.   Specify Internet Port Settings
You can use port forwarding and port triggering to set up rules for Internet traffic. You need 
networking knowledge to set up these features.
This chapter includes the following sections:
•Set Up Port Forwarding to a Local Server 
•Set Up Port Triggering  

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 N750 WiFi Router
Set Up Port Forwarding to a Local Server
If your home network includes a server, you can allow certain types of incoming traffic to 
reach the server. For example, you might want to make a local web server, FTP server, or 
game server visible and available to the Internet.
The router can forward incoming traffic with specific protocols to computers on your local  network. 
 You can specify the servers for applications and you can also specify a d\...

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N750 WiFi Router 
The service displays in the list.
If the service that you want to add is not in the list, create a custom \
service. See Add a 
Custom Port Forwarding Service on page  134.
Add a Custom Port Forwarding Service
To add a custom service:
1. Find out which port number or range of numbers the application uses.
You can usually find this information by contacting the publisher of the \
application or user  groups or news groups.
2.  Launch a web browser from...

Specify Internet Port Settings 
135  N750 WiFi Router
•Type the port numbers in the Internal Port Range field.
12. In the Internal IP address field, type the IP address, or select the radio button for an 
attached device listed in the table.
13. Click the Apply button. 
The service is now in the list on the Port Forwarding/Port Triggering screen.
Edit a Port Forwarding Service
To edit a port forwarding entry:
1. Launch a web browser from a computer or wireless device that is connected to the 
network....

Specify Internet Port Settings 
136 N750 WiFi Router 
The BASIC Home screen displays.
4. Select ADVANCED > Advanced Setup > Port Forwarding/Port Triggering.
The Port Forwarding/Port Triggering screen displays.
5. Leave the Port Forwarding radio button selected as the service type.
6. In the table, select the radio button next to the service name.
7. Click the Delete Service button.
The service is deleted.
Application Example: Make a Local Web Server Public
If you host a web server on your local network,...

Specify Internet Port Settings 
137  N750 WiFi Router
4. Your web server at IP address 192.168.1.123 receives the request and sends a reply 
message to your router.
5. Your router performs Network Address Translation (NAT) on the source IP address and 
sends the reply through the Internet to the computer or wireless device that sent the web 
page request. 
Set Up Port Triggering
Port triggering is a dynamic extension of port forwarding that is useful in these cases:
•An application must use port...

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5. 
Select the  Port Triggering radio button.
6.  Click the  Add Service button.
7. In the Service Name (If Required)  field, type a descriptive service name. 
8.  From the Service User list, select a user option:
• Any (the default) allows any computer on the Internet to use this service\
. 
• Single address restricts the service to a particular computer
 . 
9.  From the Service T
 ype list, select TCP or UDP or TCP/UDP (both). 
If you are not sure,...

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The user name is 
admin. The default password is password. The user name and 
password are case-sensitive.
The BASIC Home screen displays.
4.  Select  ADV
 ANCED > Advanced Setup > Port Forwarding/Port Triggering.
The Port Forwarding/Port Triggering screen displays.
5.  Select the Port T
 riggering radio button.
6. Select the Disable Port Triggering  check box.
If this check box is selected, the router does not use port triggering e\
ven if you...

Specify Internet Port Settings 
140 N750 WiFi Router 
5. The IRC server sends a return message to your router using the NAT-assigned source port 
(for example, port 33333) as the destination port and sends an “identify” message to your 
router with destination port 113.
6. When your router receives the incoming message to destination port 33333, it checks its 
session table to see if a session is active for port number 33333. Finding an active session, 
the router restores the original address...