How to install FTP Server on Linux Mint
FTP, or the File Transfer Protocol, is the most widely used network protocol for transferring files and data between two systems over a network. FTP does not encrypt traffic by default, which is not a secure option and can result in an assault on a server. VSFTPD, which stands for Very Secure FTP Daemon, is a secure, dependable, and speedy FTP server.
Source: FOSS Linux