: Use safer sharing methods like SFTP instead of standard FTP. To help you secure your specific system, let me know: What operating system is your server running?

def connect_to_server # Establish a connection to the FTP server connect(false) end

The most immediate indicator is an open TCP port 6200, which is not a standard service port.

1. Reeves, Byron, and Clifford Ivar Nass. 1996. “The Media Equation: How People Treat Computers, Television, and New Media Like Real People and Places.” Chicago, IL: Center for the Study of Language and Information; New York: Cambridge University Press.