I setup ISPConfig with Ubuntu 18.04. Example my vps server address is: 126.96.36.199.5 and ISPConfig states my server FTP connect address is serv.mydomain.com to connect with: I have two domains and two FTP accounts. One FTP account for each domain. When I connect to a FTP account I have to connect using the VPS IP 188.8.131.52.5 because the serv.mydomain.com will not work. Get a timed out, refused connect and did not respond etc error. I even tried to use the domain names to connect via FTP no lucky errors out. How can I fix this so I can connect to FTP using serv.mydomain.com address and the account credentials for the domain I need to connect to using FTP?