Edit Or Delete A Port Forwarding Entry; Set Up Port Triggering - NETGEAR WNDR4500v2 User Manual

N900 wireless dual band gigabit router
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In the Internal IP Address field, enter the IP address of your local computer that will provide
7.
this service.
Click Apply. The service appears in the list in the Port Forwarding/Port Triggering screen.
8.

Edit or Delete a Port Forwarding Entry

To edit or delete a port forwarding entry:
In the table, select the radio button next to the service name.
1.
Click Edit Service or Delete Service.
2.
Application Example: Making a Local Web Server Public
If you host a web server on your local network, you can use port forwarding to allow web
requests from anyone on the Internet to reach your web server.
To make a local web server public:
Assign your web server either a fixed IP address or a dynamic IP address using DHCP
1.
address reservation. In this example, your router always gives your web server an IP
address of 192.168.1.33.
In the Port Forwarding screen, configure the router to forward the HTTP service to the local
2.
address of your web server at 192.168.1.33. HTTP (port 80) is the standard protocol for web
servers.
(Optional) Register a host name with a Dynamic DNS service, and configure your router to
3.
use the name as described in
the Internet, a remote user has to know the IP address that your ISP assigned to you.
However, if you use a Dynamic DNS service, the remote user can reach your server by a
user-friendly Internet name, such as mynetgear.dyndns.org.

Set Up Port Triggering

Port triggering is a dynamic extension of port forwarding that is useful in these cases:
More than one local computer needs port forwarding for the same application (but not
simultaneously).
An application needs to open incoming ports that are different from the outgoing port.
When port triggering is enabled, the router monitors outbound traffic looking for a specified
outbound "trigger" port. When the router detects outbound traffic on that port, it remembers
the IP address of the local computer that sent the data. The router then temporarily opens the
specified incoming port or ports, and forwards incoming traffic on the triggered ports to the
triggering computer.
Port forwarding creates a static mapping of a port number or range to a single local computer.
Port triggering dynamically opens ports to any computer on the LAN and closes the ports
when they are no longer needed.
N900 Wireless Dual Band Gigabit Router WNDR4500v2
Dynamic DNS
Advanced Settings
on page 101. To access your web server from
99

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