I’m behind an ISP router and I cannot set up port forwarding.
Since your FTP server requires active mode and it does not allow connections from behind routers, so it throws me off.
On your first screenshot I see an option to swap to passive mode. Try changing the “Par défaul” to “Passif”. That might enable me to connect from behind a router firewall.Best,
If you like my products, don't forget to rate them on codecanyon :)