[stunnel-users] How to connect to a website through a port

Hi - I am trying to connect securely to a website from a Windows 10 machine: gainfutures.com through the port: 9400 I am told I need to do this using SSL. I have a python script which successfully connects through their non-secure ports. I am given no other information about what is needed for the connection, so I am asking how to do this. I have added to the configuration file:

accept=gainfutures.com:9400 connect=gainfutures:9400

The "accept" line results in the error: Can't assign requested address (WSAEADDRNOTAVAIL) (10049)

the "connect" line has no effect in the messages.

Any suggestions would be much appreciated. Thank you -WW