Netgear RBKE963 User Manual - Page 121
Application example: Make a local web server public, Manage port triggering
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Orbi Quad-Band Mesh WiFi 6E System 5. Your router performs Network Address Translation (NAT) on the source IP address, and sends the reply through the Internet to the computer or WiFi device that sent the web page request. Application example: Make 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: 1. Assign your web server either a fixed IP address or a dynamic IP address using DHCP address reservation. In this example, your router always gives your web server an IP address of 192.168.1.33. 2. On the Port Forwarding/Port Triggering page, configure the router to forward the HTTP service to the local address of your web server at 192.168.1.33. HTTP (port 80) is the standard protocol for web servers. 3. (Optional) Register a host name with a Dynamic DNS service, and specify that name on the Dynamic DNS page of the router. Dynamic DNS makes it much easier to access a server from the Internet because you can type the name in the Internet browser. Otherwise, you must know the IP address that the ISP assigned, which typically changes. Manage port triggering Port triggering is a dynamic extension of port forwarding that is useful in these cases: • An application must use port forwarding to more than one local computer (but not simultaneously). • An application must open incoming ports that are different from the outgoing port. With port triggering, the router monitors traffic to the Internet from an outbound "trigger" port that you specify. For outbound traffic from that port, the router saves the IP address of the computer that sent the traffic. The router temporarily opens the incoming port or ports that you specify in your rule and forwards that incoming traffic to that destination. Port forwarding creates a static mapping of a port number or range of ports to a single local computer. Port triggering can dynamically open ports to any computer when needed and close the ports when they are no longer needed. Customize Internet Traffic Rules 121 for Ports User Manual