- 1. SSH File Transfer Protocol. Secure FTP (File Transfer Protocol). Also known as "SSH
File Transfer Protocol". A network protocol providing file transfer
and manipulation over a secure data stream.
Also known as SSH FTP or Secure FTP.
SFTP is sometimes confused with FTPS, but the two are different.
- 2. Simple File Transfer Protocol. A protocol (defined by RFC 913) for an unsecured file transfer protocol that was less complicated and easier to implement than FTP. SFTP was not widely adopted and is now generally regarded as obsolete.