File Transfer Protocol (FTP), one of the oldest of Internet protocols, is still widely deployed, but it’s the protocol sysadmins love to hate. Back in FTP’s early days, the Internet was just a small network of computers where everyone knew everyone else, and FTP made little provision for security. Later revisions of the specification tried to add security features, but you can’t fix an amputation with a Band-Aid. Fortunately, as we’ll see, newer alternatives that are easy to deploy can replace FTP and provide the missing security.
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