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Guide to the Secure Configuration of Oracle Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • System Accounting with auditd

    The audit service provides substantial capabilities for recording system activities. By default, the service audits about SELinux AVC denials and certain types of security-relevant events such as s...
    Group
  • Install audispd-plugins Package

    The audispd-plugins package can be installed with the following command:
    $ sudo yum install audispd-plugins
    Rule Medium Severity
  • Ensure the audit Subsystem is Installed

    The audit package should be installed.
    Rule Medium Severity
  • Network Related Kernel Runtime Parameters for Hosts and Routers

    Certain kernel parameters should be set for systems which are acting as either hosts or routers to improve the system's ability defend against certain types of IPv4 protocol attacks.
    Group
  • net.ipv4.conf.all.accept_redirects

    Disable ICMP Redirect Acceptance
    Value
  • net.ipv4.conf.all.accept_source_route

    Trackers could be using source-routed packets to generate traffic that seems to be intra-net, but actually was created outside and has been redirected.
    Value
  • Record Execution Attempts to Run ACL Privileged Commands

    At a minimum, the audit system should collect the execution of ACL privileged commands for all users and root.
    Group
  • Record Execution Attempts to Run SELinux Privileged Commands

    At a minimum, the audit system should collect the execution of SELinux privileged commands for all users and root.
    Group
  • Verify /boot/grub2/grub.cfg Permissions

    File permissions for <code>/boot/grub2/grub.cfg</code> should be set to 600. To properly set the permissions of <code>/boot/grub2/grub.cfg</code>, run the command: <pre>$ sudo chmod 600 /boot/grub...
    Rule Medium Severity
  • Verify Permissions on /var/log/messages File

    To properly set the permissions of /var/log/messages, run the command:
    $ sudo chmod 0640 /var/log/messages
    Rule Medium Severity

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