Introduction·Chapter1 7 These protocols are industry standard protocols that are currently included in the SSH protocol and in other associated commands such as SCP and SFTP. As other protocols are accepted by the industry at large, they will be added to the SSH standards. See Chapter 4 for more information on these protocols. N ote For more historical information on cryptography, check out this URL from Wikipedia: http://en.wikipedia.org/wiki/Cryptography What Is SCP and SFTP? SCP (Secure Copy) is a command defined by the IETF in cooperation with SFTP (Secure File Transport Protocol). SFTP has in the past been confused with Simple File Transport Protocol as both have been referenced by the SFTP acronym. These two utilities allow us to move files and data from one machine to another in an encrypted manner. SCP allows files from one directory on the source machine to be copied to a directory on the remote machine in a scripted, or batch file, structure.