Tenda V1200 User Manual page 111

Parameter
Service Name
Server IP Address
External Port Start and
External Port End
Protocol
Internal Port Start and
Internal Port End
4.5.1.2 Example of configuring virtual server
You have set up an FTP server on your LAN:
An FTP server (using the default port number of 21) at the IP address of 192.168.1.100
And want your friends to access the FTP server on default port over the internet. To access your FTP
server from the Internet, a remote user has to know the Internet IP address or domain name of the
modem router. In this example, assume that the WAN IP address of your router is 183.37.227.201.
Follow instructions below:
To configure the router to make your local FTP server accessible over the internet:
Step 1 Choose Advanced Setup > NAT > Virtual Servers to enter the configuration page, and click
Add.
Step 2 Select a use interface from the drop-down box.
Step 3 Select FTP Server in the drop-down box for service.
Step 4 If you want to define the service yourself, enter a descriptive name in the Custom Service,
such as My FTP, and then manually set the port number (21) used by this service in the
Internal Port Start, Internal Port End, External Port Start and External Port End.
Step 5 Select a protocol from the Protocol drop-down list. If you are unsure about which protocol
is required, select TCP/UDP.
Step 6 In the Server IP Address field, enter the IP address of your local computer that offers this
service, which is 192.168.1.100 in this example.
Step 7 Click the Apply/Save.
Description
Select a Service: Allows you to select an existing service from the drop-down list.

Custom Service: Allows you to customize a service.

Enter the IP address of your local computer that provides this service.
These are the start number and end number for the public ports at the internet
interface.
Select a protocol from the Protocol drop-down list. If you are unsure, select
TCP/UDP.
These are the start number and end number for the service ports of a server on the
LAN of the modem router.
101