In order to use the HTTPS protocol for the RFC connection, install the security certificate from ITSM system into the SAP system, transaction code STRUST, usually under the node ‘SSL client SLL Client Standard’.
4
Create RFC connection to ITSM
SM59
Communication with ITSM system always takes place via the RFC connection, where the information about the authentication and the service URI for the REST service is stored. Logon data, etc. is stored by transaction SM59 already in a secure manner and the REST client implementation can rely on this.
Create RFC destination with type 'G' (HTTP Connection to External Server)
Technical Settings
RFC Destination Name: Choose a meaningful name to identify the connection (e.g., SMARTITSM).
Connection Type: ‘G’ > HTTP Connection to External Server