If you want to learn how to set up Single Port Forwarding through the Linksys cloud account, click here. This article will show you how to forward ports on your Linksys Smart Wi-Fi Router using its local access interface. It allows you to apply rules on your router to let it know that one particular port is open to receive a specific requested data. Port Forwarding is done so the data for Internet applications can pass through the firewall of the router or gateway. Since this firewall has been set to prevent most programs or applications, you will have to manually configure your router’s settings for you to allow the programs or applications you want to use. Linksys routers have a built-in firewall to prevent malicious programs or hackers from accessing your computer files or entering your network.