I have a ProFTPD server set up but I can't connect to it, I get `
Response: 530 Login incorrect. Error: Critical error Error: Could not connect to server.
Even if I create a new user and try to log in I can't, and it shows that the FTP server is running on port 21:
tcp6 0 0 :::21 :::* LISTEN 29774/proftpd: (acc