Secure and efficient FTP server

 Free, secure, production-quality and standard-conformant FTP server.
 Features include chrooted home directories,
 virtual domains, built-in 'ls', anti-warez system, configurable ports for
 passive downloads, FXP protocol, bandwidth throttling, ratios,
 fortune files, Apache-like log files, fast standalone mode, atomic uploads,
 text / HTML / XML real-time status report, virtual users, virtual quotas,
 privilege separation, SSL/TLS and more.