Ignition FTP with TLS


Having a bit of trouble connecting to a FTP server without a TLS connection.
Our current internet connection onsite comes from a sim card so runs through a CGNAT, and we are having problems sending data.
I have tested on a normal landline internet connection and I can get it to work, probably due to having control over the NAT in the router.

Has anyone used a FTP TLS connection with Ignition?
I can find a Jython 2.7 library with TLS but can’t find one that will work with Ignition possibly due to it only being Jython 2.5