What is FTP (file transfer protocol)?

File Transfer Protocol (FTP) is utilized to transfer documents from computer to computer, in which one of them acts as the server, giving the two have an Internet connection. FTP permits clients to download web pages, documents, and programs. For secure transmission that ensures the username and password, and encrypts the content, FTP is frequently secured with SSL/TLS (FTPS) or supplanted with SSH File Transfer Protocol (SFTP).