This is the netkit ftp server. You are recommended to use one of its alternatives, such as vsftpd, proftpd, or pure-ftpd.

This server supports IPv6, and can be used in standalone mode as well as in inetd-slave mode, but other servers have better long-term security screening.

The server can be used with GNU/Linux, GNU/kFreeBSD, and GNU/Hurd.