Howtoforge published a tutorial about installing vsftpd FTP server and secure it with TLS on Debian 11.
How to Install vsftpd FTP Server and Secure it with TLS on Debian 11
File Transfer Protocol or FTP is a very old and one of the most well-known network protocols. It is not secure compared to SFTP or SCP these days.
How to Install vsftpd FTP Server and Secure it with TLS on Debian 11