italk(IT)

You can use port forwarding for any service port such as RDP, FTP, SSH, HTTP, HTTPS. Port forwarding improve easy to access any service on private network from any where but port forward have not authentication for check authorization so it is low security. In some case such as HTTP, HTTPS (public website only) port forwarding are accept because HTTP,HTTPS is public service user around the world should be access from any where. In this case I will show port forwarding  for RDP. Step As Video   

When client need to access the internet. First step you enable captive portal feature.Client must be authentication on captive portal and check authorization for  access into the internet You can use feature of captive portal for control user such as Upload/Download bandwidth. Bypass device from captive portal(use MAC address). Create voucher. Redirect URL after authentication. Do not login duplicate.  You can use captive portal on hotspot solution or control internet usage on your organization. Step as Video