You can then log in with the cPanel account using at the following URL:
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URL : https://<server ip>:2083
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You can use the same cPanel account username and password for FTP also.
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IP address : XXX.XXX.XXX.XXX
Username : cPanel account
Password: cPanel password
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You can create additional FTP accounts via cPanel > Files > FTP accounts. Please see the below given URL in this regard.