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Guide to the Secure Configuration of Ubuntu 22.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Disable Ctrl-Alt-Del Reboot Key Sequence in GNOME3

    By default, <code>GNOME</code> will reboot the system if the <code>Ctrl-Alt-Del</code> key sequence is pressed. <br><br> To configure the system to...
    Rule High Severity
  • SAP Specific Requirement

    SAP (Systems, Applications and Products in Data Processing) is enterprise software to manage business operations and customer relations. The follow...
    Group
  • Sudo

    <code>Sudo</code>, which stands for "su 'do'", provides the ability to delegate authority to certain users, groups of users, or system administrato...
    Group
  • Group name dedicated to the use of sudo

    Specify the name of the group that should own /usr/bin/sudo.
    Value
  • Sudo - logfile value

    Specify the sudo logfile to use. The default value used here matches the example location from CIS, which uses /var/log/sudo.log.
    Value
  • Sudo - passwd_timeout value

    Defines the number of minutes before the <code>sudo</code> password prompt times out. Defining 0 means no timeout. The default timeout value is 5 m...
    Value
  • Sudo - timestamp_timeout value

    Defines the number of minutes that can elapse before <code>sudo</code> will ask for a passwd again. If set to a value less than 0 the user's time s...
    Value
  • Sudo - umask value

    Specify the sudo umask to use. The actual umask value that is used is the union of the user's umask and the sudo umask. The default sudo umask is 0...
    Value
  • Install sudo Package

    The sudo package can be installed with the following command:
    $ apt-get install sudo
    Rule Medium Severity
  • Ensure Privileged Escalated Commands Cannot Execute Other Commands - sudo NOEXEC

    The sudo <code>NOEXEC</code> tag, when specified, prevents user executed commands from executing other commands, like a shell for example. This sho...
    Rule High Severity

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