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Guide to the Secure Configuration of Ubuntu 20.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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...
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  • Install pam_pwquality Package

    The libpam-pwquality package can be installed with the following command: 
    $ apt-get install libpam-pwquality
    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 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...
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  • fail_deny

    Number of failed login attempts before account lockout
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  • faillock directory

    The directory where the user files with the failure records are kept
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  • fail_interval

    Interval for counting failed login attempts before account lockout
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  • fail_unlock_time

    Seconds before automatic unlocking or permanently locking after excessive failed logins
    Value
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  • tally2_unlock_time

    Seconds before automatic unlocking or permanently locking after excessive failed logins
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Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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Modules