Traditionally these are port 21 for the command port and port 20 for the data port. Most normal FTP servers use port 21, SFTP servers use port 22 and FTP over TLS (implicit mode) use port 990 by default.What ports need to be opened for FTP?įTP is an unusual service in that it utilizes two ports, a 'data' port and a 'command' port (also known as the control port). Obviously, if you want to connect to any server, you need to tell your firewall that FileZilla should be allowed to open connections to other servers.
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