SAP Basis Proof of concept, so that you can gain initial experience - SAP Basis

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Proof of concept, so that you can gain initial experience
WE05 IDoc list
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.

The Log function displays logs for SPAM steps using the tp transport control programme. After successfully inserting the queue, you should always check these logs. Associating the SPAM steps with log files Step Log file DISASSEMBLE_PATCH Generate Cofile TEST_IMPORT Testimport IMPORT_OBJECT_LIST Commandfile Import DDIC-IMPORT DD-Import IMPORT_PROPER DD-Activation Import ADO-Import Verification Versions Method Execution ABAP/Dynpro Generation Procedure To get to the log display, select Image Jump Log Queue. Importance of Return Codes Return-Code Meaning 0 or 4 System information and warnings Warnings are generally uncritical for the system. However, you should check them anyway, as in rare cases follow-up errors may occur. Larger 4 Serious errors that must be fixed before you can successfully complete the commit. Confirm Queue Usage Confirm the successful insertion of the Queue in your system. This ensures that additional support packages can be used in the future. Without this confirmation, it is not possible to insert additional support packages. If you have not yet confirmed successful support packages, you will be prompted to confirm these support packages when upgrading your system. Prerequisites You have successfully imported one or more Support Packages. Procedure Confirm successful insertion of the Support Packages into your system with the Support Package.
Fiori Permissions for tile groups in PFCG
However, the tasks also include strategic and planning aspects. For example, administrators define requirements and standards, select and control upgrades or extensions, implement monitoring processes, and take care of necessary backups and emergency management.

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If your system is already above SAP NetWeaver Release 7.0, then you must either import SAP Note 1731549 or a corresponding Support Package. Afterwards, when creating new users, it is no longer possible to assign user names that are only composed of variants of spaces or other invisible special characters. Important: Changes to already existing users with these names or their deletion option are not affected by this! The SAP Note also adds the customizing switch BNAME_RESTRICT, whereupon you can control yourself whether alternative spaces are allowed to appear in certain places in the user name. For this, the following values must be set in the customizing table PRGN_CUST: NO = The alternative spaces are still allowed in the user name. ALL = The character set is reduced to a defined range, excluding certain special characters because they have specific meanings in certain operating systems or databases. This predefined character set is: ABCDEFGHIJKLNMOPQRSTUVWXYZ_0123456789,;-§&()={[]}+#. FME = The letters F, M and E stand for Front, Middle and End. With an 'X' in this three-digit switch value you can now explicitly specify at which position in the user name no wide spaces and control characters may occur. All combinations are possible, e.g.: XME = None of these special characters may occur at the BEGINNING of the user name. XMX = In the user name none of these special characters may occur at the BEGINNING and at the END. FME = One of these special characters may occur at any position in the user name (this corresponds to the default setting, i.e. as if no entry was maintained in PRGN_CUST for the switch). SAP recommends the use of the value ALL.

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