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Guide to the Secure Configuration of Debian 12

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Permissions On /etc/chrony.keys File

    To properly set the permissions of /etc/chrony.keys, run the command:
    $ sudo chmod 0600 /etc/chrony.keys
    Rule Medium Severity
  • Obsolete Services

    This section discusses a number of network-visible services which have historically caused problems for system security, and for which disabling or...
    Group
  • Uninstall xinetd Package

    The xinetd package can be removed with the following command:
    $ apt-get remove xinetd
    Rule Low Severity
  • Remove NIS Client

    The Network Information Service (NIS), formerly known as Yellow Pages, is a client-server directory service protocol used to distribute system conf...
    Rule Unknown Severity
  • Uninstall ypserv Package

    The ypserv package can be removed with the following command:
    $ apt-get remove ypserv
    Rule High Severity

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