Implementation of the configuration in the system
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Because hybrid landscapes are seen as the operating model of the future, it is necessary to develop monitoring strategies for this. What is important is an end-to-end view based on the process and not just an individual view of the systems, services or components involved. This supports the requirement of a company-wide interface function of the SAP basis.
This option is useful if several transactions are to be checked simultaneously for their existing assignment to a particular user. This variant must first identify all roles that have already been assigned to the user. This is done in the transaction SE16N by entering the table AGR_USERS. In addition, the limit of the maximum hit number can be set in this image. The user concerned must now be entered here. Furthermore, the output should be limited to the roles only. After the query is executed, all the roles assigned to the previously entered user are displayed. These are now completely marked and copied. Then in the transaction SE16N a step back is taken and this time the table AGR_1251 is selected. Now all the roles that have been copied previously are inserted here. In addition, the object S_TCODE and the transactions to be searched for are filtered. Warning: When entering transaction codes, be sure to be case-sensitive! At this point, the output can also be limited to the roles and object values (in this case, the transactions). After the query is executed, the transactions entered will now show those that the user can already perform. In addition, the role assigned to the transaction is shown. In conclusion, the SUIM is only partially suitable for identifying certain transactions with user assignment. Although the search using the S_TCODE permission object also allows you to view multiple transactions. However, since the result is missing the assignment of transactions considered to roles, the SUIM transaction can only be usefully used to check a single transaction for its existing assignment to a particular user.
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The tasks of an SAP Basis administrator are management and administration of SAP systems. In practice, it means taking responsibility for the maintenance environment of the systems, their cooperation, updating, solving user problems and efficiency issues (concerning the network, databases or operating systems), backup copies and architecture. Another task of this position is also to follow new market trends and propose solutions compliant with them.
User authentication is usually performed by entering a user name and password. This information is called user credentials and should only be known to the user, so that no third party can gain access to the system under a false identity. This post explains how a user's password protection can be circumvented and how to prevent it. SAP system legacy data The login data of a user, including password, are saved in the USR02 database table. However, the password is not in plain text, but encrypted as a hash value. For each user there are not only one but up to three generated password hashes. Different algorithms are used to calculate these values, but only the Salted SHA1 can be considered sufficiently safe. Table deduction USR02 The secure password hash is located in the fifth column of the pictured table deduction with the heading Password hash value. The corresponding data field in the column is called PWDSALTEDHASH. Weak Password Hash Risks You have a good and working permission concept that ensures that no processes or data can be manipulated or stolen. A potential attacker now has the ability to read out your database with the password hashes. The hash values are calculated using password crackers, which are available on the Internet at home, and the attacker now has a long list of user credentials. To damage your system, the user will now search for the appropriate permissions and perform the attack under a false identity. Identifying the actual attacker is virtually impossible. Check if your system is vulnerable too Your system generates the weak hash values if the login/password_downwards_compatibility profile parameter has an unequal value of 0.
Some missing SAP basic functions in the standard are supplied by the PC application "Shortcut for SAP Systems".
SAP Basis is therefore comparable to the server and platform infrastructure and its administration in companies - as distinct from application and web development.
On www.sap-corner.de you will also find useful information about SAP basis.
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