First, log in to the router’s web management page and click Forwarding followed by Virtual Servers on the left side, and then click Add new button. Then type the service port which you want to open and the IP Address of your device that you want to open the port for. Then select Protocol to TCP, UDP, or ALL. Change Status to enabled for
TP link port forwarding feature. Now, click save button to save the settings. Go to the status page and then check the WAN IP Address of the router. Now, you can use the WAN IP: Port Number to access the service from outside network.
Read more
tp link router settings
