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Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Set the GNOME3 Login Warning Banner Text

    In the default graphical environment, configuring the login warning banner text in the GNOME Display Manager's login screen can be configured on th...
    Rule Medium Severity
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  • PAM pwhistory remember - control flag

    'Specify the control flag required for password remember requirement. If multiple values are allowed write them separated by commas as in "required...
    Value
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  • tally2

    Number of failed login attempts
    Value
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  • Configure the Use of the pam_faillock.so Module in the /etc/pam.d/password-auth File.

    The pam_faillock.so module must be loaded in preauth in /etc/pam.d/password-auth.
    Rule Medium Severity
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  • 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
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  • Password Hashing algorithm

    Specify the system default encryption algorithm for encrypting passwords. Defines the value set as ENCRYPT_METHOD in /etc/login.defs.
    Value
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  • remember

    The last n passwords for each user are saved in <code>/etc/security/opasswd</code> in order to force password change history and keep the user from...
    Value
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  • Install pam_pwquality Package

    The libpwquality package can be installed with the following command: 
    $ sudo yum install libpwquality
    Rule Medium Severity
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  • Disallow Configuration to Bypass Password Requirements for Privilege Escalation

    Verify the operating system is not configured to bypass password requirements for privilege escalation. Check the configuration of the "/etc/pam.d/...
    Rule Medium Severity
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  • Set Up a Private Namespace in PAM Configuration

    To setup a private namespace add the following line to /etc/pam.d/login: 
    session    required     pam_namespace.so
    Rule Low Severity
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