User's Manual

53
Chapter 9
NAT Forwarding
4. Enter the service you want to use in Service Name field. Here
we take HTTP as an example.
5. Enter the External Port, Internal Port and select the
corresponding Protocol as shown in the above picture.
6. Enter the PC’s IP address 192.168.1.100 in the Internal IP
field.
7. Select Enable this Entry.
8. Click OK to save the settings.
Tips:
1. You should verify the port number that the service needs.
2. You can add multiple port forwarding rules if you want to provide several
services in a modem router. Please note that the External Port cannot be
overlapped.
Users in the Internet can enter http:// WAN IP: External Port (in
this example: http:// 218.18.232.154:80) to visit your personal
website.
Tips:
1. WAN IP should be a public IP address. For the WAN IP is assigned
dynamically by ISP, it is recommended to apply and register a domain name
for the WAN by DDNS, go to Set Up a Dynamic DNS Service Account for
more information. Then you can use http:// domain name: External Port to
visit the website.
9. 2. Open Ports Dynamically by Port Triggers
Port triggers can specify a trigger port and its corresponding external ports. When
a host in the local network initiates a connection to the trigger port, all the external
ports will be opened for subsequent connections. The modem router can record the IP
address of the host. When the data from the Internet return to the external ports, the
Done!