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ports at the Internet interface.
Protocol: Select the protocol from the Protocol drop-down list. If you are unsure, select TCP/UDP.
Internal Starting Port and Internal Ending Port: These are the starting number and ending number for the ports of a
computer on the router's local area network (LAN).
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NOTE
If you have enabled the UPnP functionality on both the router and your PC that is attached to one of the LAN port of the
router, you will be prompted on the Virtual Server page that the UPnP interface is being used.
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Instance
You have set up two servers on your LAN side:
- An FTP server (using the default port number of 21) at the IP address of 192.168.1.100
- A web server (using the default port number of 8080) at the IP address of 192.168.1.110
And want your friends on the Internet to access the FTP server and web server via default ports. To access your FTP or
web server from the Internet, a remote user has to know the WAN IP address of your router. In this example, we assume
the WAN IP address of your router is 183.37.227.201. Then follow instructions below:
To configure the router to make your local FTP server public:
Procedure
1. Click NAT > Virtual Server to enter it and then click the Add button.
2. Select FTP Server that you wish to host on your network from the Select a Service drop-down list. The port
number (21) used by this service will then be automatically populated.
- Or if you wish to define the service yourself, enter a descriptive name in the Custom Service, say My FTP, and
then manually enter the port number (21) used by this service in the Internal Starting Port, Internal Ending Port,
External Starting Port and External Ending Port fields.
3. Select a protocol from the Protocol drop-down list. If you are unsure, select TCP/UDP.
4. In the Server IP Address field, enter the last digit of the IP address of your local computer that offers this service.
Here in this example, we enter 100.
5. Click
.
Your friends on the Internet will then be able to access your FTP server simply by "ftp://183.37.227.201:21".
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