The term secure file transfer protocol or secure FTP may refer to: Network protocols SSH File Transfer Protocol — a file transfer protocol specifically developed by the IETF to run over secure shell connections FTP over SSH, also known as "secure FTP" — the practice of using SSH to tunnel the older, well-known File Transfer Protocol (FTP) Computer programs Secure file transfer program, usually known as "sftp" — a well-known command-line program, common in Unix, for using SSH File Transfer Protocol Secure FTP (software) — a software package, by Glub Tech, for using FTPS (traditional FTP over SSL/TLS) See also FTPS — sometimes called "FTP Secure" SFTP (disambiguation) SFT (disambiguation)