problem acces to server FTP when i'm using NO-IP rediction

  • Hello,
    I have a NAS server at home and as my provider provides me with a dynamic IP address, I use the No-IP service.
    I want to make FTP access via an SSH tunnel (SFTP) to my NAS from the internet but it does not work.
    My IP address is upgraded to No-IP, I have done port forwarding (NAT) on my router to my NAS.
    When I use my dynamic IP address from a PC out of my local network I access my NAS in FTP. However, when I use my No-IP URL, my user is rejected by my FTP server because it is not authenticated.
    Would you have any leads to help me find a solution?
    Thank you for your help

  • I guess he don't need to install DUC on RPi, I guess his router must connect with no-IP, than as he mentioned make a port forward rule in the router to forward port 21 for FTP. If he's done that I don't see why it should not work.
    I also use no-IP in this way not for FTP but for other services.

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