We are accessing our Identity Manager environment through http. Is there a way to disable http and use https?
Release : 14.4
For vApp HTTP over SSL is enabled by default:
For a standalone application, you will need to enable it using your application server of choice.
Example Jboss 7.2: https://docs.jboss.org/author/display/AS72/SSL%20setup%20guide.html
Same for disabling http - you need to remove https listeners in the application server.
As for Connector Server Certificates: