The remote host is running the Digi Rabbit Server.
Description
The remote host is running the Digi Rabbit Server. Digi markets their single-board computer as an Industrial Control or HMI server. The Rabbit single-board computer ships with a number of built-in servers, of which FTP is one.
Solution
Manually inspect the device running this service and ensure that any Industrial Control/HMI traffic is isolated from external and untrusted users.