Why this matters
FTP, FTPS and SFTP are different protocols with different server requirements.
Step by step
- Ask which encrypted transfer method the service supports and obtain the authorised connection details.
- Configure the client for that exact protocol and validate the server identity rather than accepting every prompt blindly.
- Transfer a harmless test file to an approved non-sensitive location and verify its destination.
Keep the result of the final check and any unresolved question with your project records.
Availability depends on the product, permissions and management agreement. Use the existing support conversation for the same issue.