User`s guide
       WWW.SparkLAN.com 
User’s Guide 
25
4.9. Port Forwarding 
The Port Forwarding screen sets up public services on your network, such as web servers, ftp servers, 
e-mail servers, or other specialized Internet applications. (Specialized Internet applications are any 
applications that use Internet access to perform functions such as videoconferencing or online gaming. 
Some Internet applications may not require any forwarding.)  
When users send this type of request to your network via the Internet, the Router will forward those 
requests to the appropriate PC. Any PC whose port is being forwarded must have its DHCP client 
function disabled and must have a new static IP address assigned to it because its IP address may 
change when using the DHCP function. 
Customized 
Applications 
Enter the name of the public service or other Internet application in the field provided. 
External Port 
Enter the numbers of the External Ports (the port numbers seen by users on the Internet). 
TCP Protocol  Click this checkbox if the application requires TCP. 
UDP Protocol  Click this checkbox if the application requires UDP. 
IP Address  Enter the IP Address of the PC running the application. 
Enable  Click the Enable checkbox to enable port forwarding for the application. 
Port Triggering
Port Triggering is used for special Internet applications whose outgoing ports differ from the 










