What are the two standard ports used by FTP along with their function?

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09-05-2017
Computers and Technology

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What are the two standard ports used by FTP along with their function?

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Please help with the question!!!!!

rsmith6559 rsmith6559 · Answer 1 · 2017-05-10T02:03:41+02:00

rsmith6559 rsmith6559

10-05-2017

Port 20 is ftp-data.
Port 21 is ftp.

Port 21 is the control channel. Port 20 is only used in Active mode. In Passive mode, port 20 isn't used, the data channel is established by the client to a high port number on the server. You can check RFC 873 for a LOT more info.

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