Wowza Community

hosting as a subdomain

I have e-learning website where video courses will be created and published. so the user will subscribe for free and watch the videos. but they should not download the videos with the download manager. is this possible to restrict the user to not download the videos from Wowza streaming server and also I need to host the Wowza stream engine in the subdomain ex: videos.mydomain.com Can these possible. if so please let me know how to implement