The Secure File Transport Protocol (SFTP, also known as SSH or Secure Shell) typically is run on port 22.

Secure file transfer protocol is a network protocol that provides file access, file transfer and file management functionalities. The protocol assumes that it runs through a secure channel.

SFTP is a network protocol that gives access to files, transfer of files, and the management function of files over reliable streams of data. SSH File Transfer Protocol was designed by the Internet Engineering Task Force as an extension of the Secure Shell protocol version 2.0 to give files a secure transfer capability.

File Transfer Protocol (FTP) and Trivial File Transfer Protocol (TFTP) were specifically developed to exchange files on different computers across networks.

FTP (file transfer protocol) and SMTP(Short massage transfer protocol) are two type of protocol help us to transfer the file