The SAP Gateway and The SNC Interface
As of Release 3.1G, communication is secured by the integration of the SAP SNC interface (Secure Network Communication).
SNC supports third-party security systems (such as Kerberos, SECUDE, etc.). This provides for a reliable authentification of the partners and secure data transfer.
The SAP Gateway can reject connections that are not based on SNC.
You can set a number of SNC parameters (see the parameter documentation using Transaction RZ11, snc*).
For the SNC function calls of the CPI-C library, see the documentation SAP Communication: Programmer's Guide
If a user wants to communicate using the SNC interface, the following prerequisites must be met: