sftp

from The Free On-line Dictionary of Computing (8 July 2008)

SSH File Transfer Protocol
Secure File Transfer Protocol
sFTP

   <networking> (SFTP) A version of {File Transfer Protocol}
   (FTP) using an {encrypted} network connection provided by
   {Secure Shell} (SSH), usually SSH 2.

   The SFTP {protocol} allows for a range of operations on remote
   files, making it more like a {remote file system} protocol.
   SFTP clients can resume interrupted transfers, get directory
   listings and remove remote files.  SFTP has largely replaced
   {Secure Copy} (SCP).

   IETF spec
   (http://ietf.org/internet-drafts/draft-ietf-secsh-filexfer-13.txt).

   (2006-09-28)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

SFTP
       Screened Foiled Twisted Pair [cable] (UTP, TP)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

SFTP
       Simple File Transfer Protocol (RFC 913)