Communication Channel Security 
The following table lists the communication paths used by SAP NetWeaver Mobile, the protocol used for the connection, and the type of data transferred.
Communication Path
Communication Path | Protocol Used | Type of Data Transferred | Data Requiring Particular Protection |
From mobile client to SAP NetWeaver AS and vice versa | Hypertext Transfer Protocol (HTTP), Secure Hypertext Transmission Protocol (HTTPS) or Data Carrier Synchronization | Application data, overhead data, security logs, trace files | Security logs Synchronization Password The synchronization password is transferred from a client device to SAP NetWeaver AS with each session. We, therefore, recommend using HTTPS. |
From SAP NetWeaver AS to back-end system and vice versa | Remote Function Call (RFC) | Application data | - |