Can I connect to an FTP server using SORACOM Air?


Yes, you can use FTP. Please ensure that you connect to the FTP server in PASV(Passive)mode. FTP "active" mode is not supported because IP addresses assigned to Air SIMs are private with NAT and "active" FTP cannot traverse NAT.

※Please make sure that the data you are sending FTP over Internet is encrypted and secure. Default FTP is not encrypted and can be eavesdropped.

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