File Transfer Protocol (FTP) was once among the most widely used protocols on the Internet, invoked whenever a user wanted to transfer files between Internet-connected computers. Alas, the protocol has seen better days, and today a better alternative exists for every one of its major roles.
There were four primary activities that FTP once powered. The first and major use of FTP was for file downloads. Lists of “anonymous” FTP servers that allowed public access were circulated, and users connected to retrieve documents, the source code to new programs, and media like images or movies. (You logged in to them with the username “anonymous” ...