FTP – File Transfer Protocol
File Transfer Protocol is a standard network protocol used to transfer file from one Computer system to another. The protocol is based on the TCP network and built on a client-server architecture. It resides on the Application Layer of the TCP/IP Model.
An FTP protocol can work on a web browser where you can make an FTP request like an HTTP one. The browser here will act as a client which will connect to the remote FTP server, for uploading or downloading a file. To connect to an FTP server of fullformof.in the format of the URL will be:
File Transfer Protocol uses two well known port numbers 20 and 21. A TCP control connection is made by a client on port 21, which remains open during the transfer process. In response, a server opens port 20 which serves as a data connection between client and server.