All communication between the client, SAP Web Dispatcher, and the ABAP servers is handled by using HTTPS connections. To secure these HTTPS connections, you must configure all ABAP servers to support the Secure Sockets Layer (SSL) protocol.
For more information about the steps that are required to enable SSL on the ABAP servers, see:
For secure communication between SAP Web Dispatcher and the ABAP servers, SSL must also be enabled for SAP Web Dispatcher. For more information about setting up SSL for SAP Web Dispatcher, see Configuring Communication Channel between Clients and SAP Web Dispatcher.