Hardening for Public Cloud Image of SUSE Linux Enterprise Server (SLES) for SAP Applications 15
Rules and Groups employed by this XCCDF Profile
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Verify ownership of System Login Banner
To properly set the owner of/etc/issue, run the command:$ sudo chown root /etc/issue
Rule Medium Severity -
Protect Accounts by Configuring PAM
PAM, or Pluggable Authentication Modules, is a system which implements modular authentication for Linux programs. PAM provides a flexible and confi...Group -
Ensure PAM Displays Last Logon/Access Notification
To configure the system to notify users of last logon/access using <code>pam_lastlog</code>, add or correct the <code>pam_lastlog</code> settings i...Rule Low Severity -
Set Lockouts for Failed Password Attempts
The <code>pam_faillock</code> PAM module provides the capability to lock out user accounts after a number of failed login attempts. Its documentati...Group -
Limit Password Reuse
Do not allow users to reuse recent passwords. This can be accomplished by using the <code>remember</code> option for the <code>pam_pwhistory</code>...Rule Medium Severity -
Enforce Delay After Failed Logon Attempts
To configure the system to introduce a delay after failed logon attempts, add or correct the <code>pam_faildelay</code> settings in <code>/etc/pam....Rule Medium Severity -
Set Deny For Failed Password Attempts
The SUSE Linux Enterprise 15 operating system must lock an account after - at most - <xccdf-1.2:sub xmlns:xccdf-1.2="http://checklists.nist.gov/xcc...Rule Medium Severity -
Set Password Quality Requirements
The default <code>pam_pwquality</code> PAM module provides strength checking for passwords. It performs a number of checks, such as making sure pas...Group -
Set Password Quality Requirements, if using pam_cracklib
The <code>pam_cracklib</code> PAM module can be configured to meet requirements for a variety of policies. <br><br> For example, to configure <code...Group -
Set Password Strength Minimum Digit Characters
The pam_cracklib module's <code>dcredit</code> parameter controls requirements for usage of digits in a password. When set to a negative number, an...Rule Medium Severity -
Set Password Strength Minimum Different Characters
The pam_cracklib module's <code>difok</code> parameter controls requirements for usage of different characters during a password change. The number...Rule Medium Severity -
Set Password Strength Minimum Lowercase Characters
The pam_cracklib module's <code>lcredit=</code> parameter controls requirements for usage of lowercase letters in a password. When set to a negativ...Rule Medium Severity -
Set Password Minimum Length
The pam_cracklib module's <code>minlen</code> parameter controls requirements for minimum characters required in a password. Add <code>minlen=<xccd...Rule Medium Severity -
Set Password Strength Minimum Special Characters
The pam_cracklib module's <code>ocredit=</code> parameter controls requirements for usage of special (or ``other'') characters in a password. When ...Rule Medium Severity -
Set Password Retry Limit
The pam_cracklib module's <code>retry</code> parameter controls the maximum number of times to prompt the user for the password before returning wi...Rule Medium Severity -
Set Password Strength Minimum Uppercase Characters
The pam_cracklib module's <code>ucredit=</code> parameter controls requirements for usage of uppercase letters in a password. When set to a negativ...Rule Medium Severity -
Set Password Hashing Algorithm
The system's default algorithm for storing password hashes in/etc/shadowis SHA-512. This can be configured in several locations.Group -
Set PAM's Common Authentication Hashing Algorithm
The PAM system service can be configured to only store encrypted representations of passwords. In <code>/etc/pam.d/common-auth</code>, the <code>au...Rule Medium Severity -
Set PAM''s Password Hashing Algorithm
The PAM system service can be configured to only store encrypted representations of passwords. In "/etc/pam.d/common-password", the <code>password<...Rule Medium Severity -
Protect Physical Console Access
It is impossible to fully protect a system from an attacker with physical access, so securing the space in which the system is located should be co...Group
Node 2
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