![]() The server is required to actively connect to it. ![]() In an Active FTP connection, the client opens a port and listens.The FTP server may support either Active or Passive connections, or both. While the session is open, the client may execute FTP commands on the server. The client initiates a connection with the server, the server validates whatever login credentials are provided and then opens the session. A command (sometimes called the control) channelĪs their names imply, the command channel is used for transmitting commands as well as replies to those commands, while the data channel is used for transferring data.įTP operates using a client-server protocol.It uses a client-server model to do this.Ī typical FTP session operates using two channels: File Transfer Protocol (FTP) is, as the name suggests, a protocol used to allow remote transfer of files over a network. ![]()
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