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Files can be dropped using either the SFTP (Port 22) or FTPS (FTP over TLS - Port 21) protocols. Unencrypted FTP is not supported.
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Please provide the IP address(es) that will be connecting to the SFTP/FTPS server so that we can whitelist allowlist those IP addresses against the client/customer’s user.
FTPS - Passive Mode Ports
Connecting to the FTPS service requires an additional port range to be accessible. Connecting to the FTPS service requires that outbound connections on ports 21 and the range 8192 to 8200 are allowed through any firewalls to the FTPS service address.