@terziyski Oh. There is no way to do this without calling my ISP? Thank you for that Wiki article. I didn't know about this.

@terziyski The assigned internet address for my FTP server is 172.16.xx.xxx. So it is in this range Range from 172.16.0.0 to 172.31.255.255 Even the guide you pointed had internet address as...

Hello, I've a TP Link Archer D2 router with a USB drive plugged in. I've enabled the FTP server over internet. I even got an IP address for it. I'm able to access that FTP server locally. But when I...