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For this, FTP client should be installed in the user's system. Apart from this, you must have a username and password to connect to the server. FTP uses two types of connections to transfer files:

• Control Connection

It is used to open and close the connection and send commands to the server.

• Data Connection

After the connection is made, the file is transferred between the client and the server through the data connection.The control connection has to be initiated by the client on port number 21. Once the connection is made, the command is sent through the client. And through the command, the server starts the data connection on port number 20. And files are transferred through this data connection.
1 month ago   0