SSH File Transfer Protocol definition 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).