In addition to Raj comment. What usually happens is that the deprecated libraries and calls are replaced with redirects to the new implementation.

Hi Touggourt,

Try http and make sure the firewall allows http access. If you wnt https on that port then you need to configure your production accordingly. 

Hi David,

i would check the idle timeout and session time out settings on the web application as well as in the CSPGateway. Long timeouts mean licenses do not get released until the session is dropped.