Pure-FTPd is a fast, production-quality, standard-conformant FTP server,
based upon Troll-FTPd.
The server has been designed to be secure in default configuration, it has no
known vulnerability, it is really trivial to set up and it is especially
designed for modern kernels. It was successfully ported to Linux, FreeBSD,
Dragonfly BSD, NetBSD, OpenBSD, OSX, AIX and more.