vsftpd is a GPL licensed FTP server for UNIX systems, including Linux. It is secure and extremely fast and stable.

Despite being small for purposes of speed and security, many more complicated FTP setups are achievable with vsftpd! By no means an exclusive list, vsftpd will handle:

• 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
• etc...