By default, they require a login before anyone can connect to them and begin transferring files. Similarly, they require special coding on the part of a web developer to require login credentials to access a site.įTP sites, hosted by FTP servers, are different. HTTP servers also require special backend software to be able to handle the transfer of more than one file at a time in a user-friendly way. While bandwidth and technological advances now allow you to upload or download multiple files over the internet, the transfer still happens with the HTTP connection switching back and forth between data duty and command duty. This allows it to work more efficiently than HTTP, which must do both duties using only one connection. File Transfer Protocol, or FTP, differs from HTTP in that an FTP client connects to an FTP server using two connections one controls the data flow and the other controls the command flow. For transferring other types of files, especially in large numbers, a different protocol was used. That's the HTTP that you see in front of every website you visit. The files are transferred over a Hypertext Transfer Protocol. In its earliest days, the internet as we know it, at least the part accessed through a web browser, was designed primarily for transferring Hypertext Markup Files, more commonly known as HTML.
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