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On Which Port Vsftp Server Works? |
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Answer» FTP uses two ports, 20 and 21. By default, the FTP server listens for REQUESTS on port 21. After a connection is established, the CLIENT sends commands to the server on port 21. However, port 20 is used when the server sends data back to the client. FTP uses two ports, 20 and 21. By default, the FTP server listens for requests on port 21. After a connection is established, the client sends commands to the server on port 21. However, port 20 is used when the server sends data back to the client. |
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