It usually takes from 5 to 15 minutes to enable DDoS proxy protection. The VPS\Dedicated server setup time depends from configuration chosen by you. Usually the installation takes no more than a few hours, but sometimes it can take up to 24 hours.
Yes, to enable this service, you need to provide us your SSL certificate and an RSA key. Then we will install it on our side. If you do not have the certificate, you can purchase it from us. For more information please contact us.