Vsftpd stands for “Very Secure FTP Daemon”, and is a an ftp server for Linux and other UNIX-like operating system. As the name implies, it claims to be more secure than the typical FTP server and boasts a number of useful features, including:
Virtual IP configurations
Virtual users
Standalone or inetd operation
Powerful per-user configurability
Bandwidth throttling
Per-source-IP configurability
Per-source-IP limits
IPv6
Encryption support through SSL integration
In addition to security, a number of major free software and computer corporations rely on vsftpd for its stability under stress, transferring large amounts of data. Vsftpd is free software, released under the GNU General Public License. You can download it for free from their website or install it through your Linux distribution repository.