:max_bytes(150000):strip_icc()/how-to-port-forward-4163829-2b9af562716d480b99375518ff5c5c6a.png "TCP Port Number 21 and How It Works With FTP")
TCP Port Number 21 and How It Works With FTP
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:max_bytes(150000):strip_icc()/GettyImages-182921537-5b3b9cd7c9e77c0054eaa689.jpg "TCP Port Number 21 and How It Works With FTP")
TCP Port Number 21 and How It Works With FTP
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