The Basis system comprises a total of three layers
Backup concept for the Azure or AWS cloud
Another way to secure your gateway using the SAP standard is to encrypt communication using Secure Network Communication (SNC). In the case of unprotected data communication paths between different client and server components of the SAP system that use the SAP protocol RFC or DIAG, the data exchange takes place in plain text and there is a risk that this can be read. With the help of SNC, you can create end-to-end encryption (E2EE), which can be used to secure communication between two components, such as between the application server and SAP GUI. In addition, SNC encryption provides the basis for using SAP Single Sign-On (SSO) as a security solution, which significantly reduces the internal effort of password management.
A role concept according to best practice protects you from potential attacks within your SAP landscape. However, to protect your system from unauthorized access via the network, a correct configuration of the SAP gateway is required. It enables the use of external programs via interfaces or the call of ABAP programs and serves as a technical component of the application server, which manages the communication of all RFC-based functions.
Use of Secure Network Communication
SAP Basis Operation is responsible for ensuring the technical functionality of an SAP system. It includes all the technical components mentioned above. These are used to perform the following tasks.
However, the system modifiability has no influence on customising changes that are customised by the client. If you want to set the customising changes to customise, you must go to the client control. You can achieve this either by pressing the button "Client Control" when changing the system or by calling the table T000 via the transaction SM30. If you are now in the list of clients, you can double-click on the respective row to jump into the settings of the respective client. Here you can also make the desired settings and save them. Step-by-Step Tutorials System Modifiability (Customising Settings and Repository Objects that are independent of the client) Call the SE06 and click on "System Modifiability". Adjust the desired objects and global setting, depending on your request. Save the changes. Client control (custom customising settings) Call the T000 table in the SM30. Double click on the desired client. Change the settings here depending on your request. Save your changes.
Some missing SAP basic functions in the standard are supplied by the PC application "Shortcut for SAP Systems".
Important: In the end, all instances must be green.
In addition, it stores not only operational (user-generated) data, but also system data for controlling application content as well as configuration tables.