What port Number does an FTP use?
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What port Number does an FTP use?
21 primary, 20 data
Thanks
Port 21 is the main connection port but it also uses 20 and an upper unprivileged port.
RFC on FTP
Its not as straight forward as 20 and 21......two flavors of FTP (passive FTP or active FTP)
Good explanation in following link........
http://slacksite.com/other/ftp.html
Good luck
cheers
There is also TFTP, less used though.