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Guide to the Secure Configuration of Oracle Linux 7

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Enable the NTP Daemon

    The ntpd service can be enabled with the following command:
    $ sudo systemctl enable ntpd.service
    Rule Medium Severity
  • SSH Max Keep Alive Count

    Specify the maximum number of idle message counts before session is terminated.
    Value
  • 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
  • Configure Time Service Maxpoll Interval

    The <code>maxpoll</code> should be configured to <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_time_service_set_maxpoll" use="legacy...
    Rule Medium Severity
  • Specify Additional Remote NTP Servers

    Depending on specific functional requirements of a concrete production environment, the Oracle Linux 7 system can be configured to utilize the serv...
    Rule Medium Severity
  • Specify a Remote NTP Server

    Depending on specific functional requirements of a concrete production environment, the Oracle Linux 7 system can be configured to utilize the serv...
    Rule Medium Severity
  • Ensure Chrony is only configured with the server directive

    Check that Chrony only has time sources configured with the server directive.
    Rule Medium Severity
  • A remote time server for Chrony is configured

    <code>Chrony</code> is a daemon which implements the Network Time Protocol (NTP). It is designed to synchronize system clocks across a variety of s...
    Rule Medium Severity
  • Specify Additional Remote NTP Servers

    Additional NTP servers can be specified for time synchronization in the file <code>/etc/ntp.conf</code>. To do so, add additional lines of the fol...
    Rule Unknown Severity
  • Specify a Remote NTP Server

    To specify a remote NTP server for time synchronization, edit the file <code>/etc/ntp.conf</code>. Add or correct the following lines, substituting...
    Rule Medium Severity

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