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DRAFT - Unclassified Information in Non-federal Information Systems and Organizations (NIST 800-171)

Rules and Groups employed by this XCCDF Profile

  • Enable ExecShield

    ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These features include random placement of the stack and othe...
    Group
  • Restrict Exposed Kernel Pointer Addresses Access

    To set the runtime status of the <code>kernel.kptr_restrict</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.kptr_restrict=<xccdf-1.2:sub idref="xccdf_org.ssgproject...
    Rule Medium Severity
  • SELinux

    SELinux is a feature of the Linux kernel which can be used to guard against misconfigured or compromised programs. SELinux enforces the idea that programs should be limited in what files they can a...
    Group
  • Configure SELinux Policy

    The SELinux <code>targeted</code> policy is appropriate for general-purpose desktops and servers, as well as systems in many other roles. To configure the system to use this policy, add or correct ...
    Rule Medium Severity
  • Ensure SELinux State is Enforcing

    The SELinux state should be set to <code><xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_selinux_state" use="legacy"></xccdf-1.2:sub></code> at system boot time. In the file <code>/et...
    Rule High Severity
  • Services

    The best protection against vulnerable software is running less software. This section describes how to review the software which Oracle Linux 9 installs on a system and disable software which is n...
    Group
  • Base Services

    This section addresses the base services that are installed on a Oracle Linux 9 default installation which are not covered in other sections. Some of these services listen on the network and should...
    Group
  • Disable KDump Kernel Crash Analyzer (kdump)

    The <code>kdump</code> service provides a kernel crash dump analyzer. It uses the <code>kexec</code> system call to boot a secondary kernel ("capture" kernel) following a system crash, which can lo...
    Rule Medium Severity
  • Application Whitelisting Daemon

    Fapolicyd (File Access Policy Daemon) implements application whitelisting to decide file access rights. Applications that are known via a reputation source are allowed access while unknown applicat...
    Group
  • Install fapolicyd Package

    The fapolicyd package can be installed with the following command:
    $ sudo yum install fapolicyd
    Rule Medium Severity

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