Independent transactions
SAP BRFplus
This access method depends solely on the rights assigned to the user. System users: Users of this user group are comparable to SAP*. They act as administrator in the system. Therefore, they should be deactivated / set to inactive as soon as possible, as soon as the system operation is ensured. You should still be aware of the SAP ERP environment to address this security risk. In a HANA system, there are privileges instead of permissions. The difference is first of all in terms of terminology. Nevertheless, the permissions are assigned differently (directly / indirectly) via the assignment of roles. These are thus accumulations of privileges. As in older SAP systems, system users must be disabled and certain roles that already exist must be restricted. Compared to an SAP ERP system, small apps are allowed instead of large applications. In this case, attention should be paid to an individual authorisation. It should be a matter of course for users to have implemented secure password rules. Settings Securing the system also means securing the underlying infrastructure. Everything from the network to the host's operating system must be secured. When looking at the system landscape, it is striking that the new technology brings many connections that need to be secured. The SAP Gateway, which is responsible for the connection between backend and frontend, is also a security risk and must be considered. All security settings of existing and future components must be validated to HANA compatibility. Secure communication of connections is obtained when you restrict access where possible. Encryption of the data of a HANA system is disabled by default. Be sure to encrypt sensitive data anyway. Especially data that is archived. If an attack is made on your system, you should be able to run forensic analysis, so you should enable the audit log. Moreover, few users should have access to it.
It should be mentioned here that it only makes sense to access the tables by reading the SELECT statement to get a quick view of the results. Using the DBACOCKPIT, it is not possible to create entire table structures using Create Table. For such applications, SAP provides other, better options. Another important point is that once a user has the necessary permissions to use the transaction DBACOCKPIT, it can potentially (with appropriate permissions on the tables) access the entire SAP system. For example, a query can be used to read the entire user table. Therefore, the transaction should always be treated with caution and only awarded to administrators. DBACOCKPIT handles the call control permissions similar to the SE16 / SE16N transaction. When the table is called, the S_TABU_DIS or S_TABU_NAM permission object is checked with a specific activity. This means that only the tables or table permission groups for which the corresponding values in the aforementioned permission objects are assigned can be accessed. You can read more about assigning permissions to individual tables here. In addition, you can save SQL statements that you run once, and run them again at any time to recognise changes in the result set without having to reformulate the SQL statement each time. The editor also allows you to start the query for SQL statements in the background. The result is obtained by calling the transaction SM37, in which the result is output in a spool file.
Benefits for your company
A partner agreement must be entered into for each supplier in the transaction WE20. Such an agreement shall determine how the electronic data are processed. Select the vendor partner type LI and create a new partner agreement. In this example, a new partner agreement is created for IDES AG as a supplier. Enter the vendor's partner number in the appropriate input field and select LI as the vendor's partner type. The next step is to define the output parameters. These specify how the outgoing data should be processed. The message type defines what kind of messages should be processed. The Output Options tab specifies the port to send the message to and the IDoc type. The IDoc base type ORDERS05 matches the ORDERS message. The Message Control tab defines which application should generate a message. In this case a message should be generated when a new order is created. If an order is placed for a product of IDES AG in the transaction ME21N, this order will be automatically sent in electronic form.
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A note box in which data of all kinds can be quickly filed and retrieved. This is what Scribble Papers promises. At first, the program looks very spartan. But once a small structure is in place, you realise the great flexibility of this little helper.
In order to make a transaction in cryptocurrencies, you do not have to let your bank know about it as you would for "normal" money, but you have to use the Private Key to prove that you own the coins. The transaction looks like a piece of the puzzle. Half of the puzzle piece consists of information about the coin set, time and public address of the sender or receiver. The other half is the signature of the private key belonging to the sent public address. Both halves make this piece unique. Changing only one piece of information would completely change the whole transaction or the appearance of the puzzle piece. This transaction is transferred to the network or to the miner and is checked for correctness first. If everything fits, the transaction will be sent to other miners who will do the same. Otherwise, the transaction is ignored. Miners try to integrate the transactions into a block. This is called mining and we have described it so that the miners put the puzzle pieces together into a puzzle (block). A small part of a block to be integrated follows from the block that was previously mined. If all miners accept the correctness of a completed block, they will all work the next one immediately. The puzzle (block) is fixed and is irrevocably connected to the block before or after. The blocks form a chain and are called blockchain, which contains all the transactions that have ever been made and is visible and unchangeable by everyone. In doing so, blockchain replaces a central institution and avoids double-spending, which ultimately gives value to a cryptocurrency. Smart Contracts The biggest advance compared to Bitcoin and similar applications is that second-generation blockchains, such as Ethereum, use the so-called Turing-Complete script language Solidity. This enables calculations to be made within the blockchain. While Bitcoin allows only rudimentary multi-signature functions, Ethereum opens the door to much more complex operations called smart contracts. Smart contracts are contracts in which a decentralised blockchain ensures their unchangeability and execution.
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This enhances the capabilities of SAP HANA base administrators and increases the level of service they should provide.
So-called Access Control Lists (ACL) offer a good possibility to secure your gateway in order to exclude unwanted external accesses to the database of the application server.