If web hosting and file transfer remain your responsibility, it’s important to make sure you have the right hardware and software structures. If you host your website with a provider, a corresponding server application, including the required access data, is usually provided.
Secured FTP enjoys a high level of popularity, particularly in webhosting: With the help of the transport protocol and the matching client software, the contents of custom projects are easily uploaded into the web space, creating directory structures. To use this client-server structure, users only need an FTP client and to log-in to a special user account on the server. The protocol, located on the application layer, makes it possible to transport data via port 20 (client) and 21 (server), as well as create, edit, and read directories.
In 1985, the transfer protocol FTP (File Transfer Protocol), based on TCP/IP, was established and specified in RFC 959 to make it possible to store files on a server and retrieve them later.
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