Skip to content
ATO Pathways
  Log In

Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • UEFI Boot Loader Is Not Installed On Removeable Media

    The system must not allow removable media to be used as the boot loader. Remove alternate methods of booting the system from removable media. <code...
    Rule Medium Severity
    Show

  • zIPL bootloader configuration

    During the boot process, the bootloader is responsible for starting the execution of the kernel and passing options to it. The default Red Hat Ente...
    Group
    Show

  • Enable Auditing to Start Prior to the Audit Daemon in zIPL

    To ensure all processes can be audited, even those which start prior to the audit daemon, check that all boot entries in <code>/boot/loader/entries...
    Rule Medium Severity
    Show

  • Extend Audit Backlog Limit for the Audit Daemon in zIPL

    To improve the kernel capacity to queue all log events, even those which start prior to the audit daemon, check that all boot entries in <code>/boo...
    Rule Medium Severity
    Show

  • Ensure all zIPL boot entries are BLS compliant

    Ensure that zIPL boot entries fully adheres to Boot Loader Specification (BLS) by checking that <code>/etc/zipl.conf</code> doesn't contain <code>i...
    Rule Medium Severity
    Show

  • Ensure zIPL bootmap is up to date

    Make sure that <code>/boot/bootmap</code> is up to date.<br> Every time a boot entry or zIPL configuration is changed <code>/boot/bootmap</code> ne...
    Rule Medium Severity
    Show

  • Ensure SELinux Not Disabled in zIPL

    To ensure SELinux is not disabled at boot time, check that no boot entry in <code>/boot/loader/entries/*.conf</code> has <code>selinux=0</code> inc...
    Rule Medium Severity
    Show

  • Enable page allocator poisoning in zIPL

    To enable poisoning of free pages, check that all boot entries in <code>/boot/loader/entries/*.conf</code> have <code>page_poison=1</code> included...
    Rule Medium Severity
    Show

  • Enable SLUB/SLAB allocator poisoning in zIPL

    To enable poisoning of SLUB/SLAB objects, check that all boot entries in <code>/boot/loader/entries/*.conf</code> have <code>slub_debug=P</code> in...
    Rule Medium Severity
    Show

  • Ensure debug-shell service is not enabled in zIPL

    systemd's <code>debug-shell</code> service is intended to diagnose systemd related boot issues with various <code>systemctl</code> commands. Once e...
    Rule Medium Severity
    Show

  • net.ipv4.icmp_ignore_bogus_error_responses

    Enable to prevent unnecessary logging
    Value
    Show

  • Ensure Solid State Drives Do Not Contribute To Random-Number Entropy Pool

    For each solid-state drive on the system, run: 
     # echo 0 > /sys/block/DRIVE/queue/add_random
    Rule Medium Severity
    Show

  • Kernel Configuration

    Contains rules that check the kernel configuration that was used to build it.
    Group
    Show

  • Hash function for kernel module signing

    The hash function to use when signing modules during kernel build process.
    Value
    Show

  • Key and certificate for kernel module signing

    The private key and certificate to use when signing modules during kernel build process. On systems where the OpenSSL ENGINE_pkcs11 is functional —...
    Value
    Show

  • Kernel panic timeout

    The time, in seconds, to wait until a reboot occurs. If the value is <code>0</code> the system never reboots. If the value is less than <code>0</co...
    Value
    Show

  • Do not allow ACPI methods to be inserted/replaced at run time

    This debug facility allows ACPI AML methods to be inserted and/or replaced without rebooting the system. This configuration is available from kerne...
    Rule Low Severity
    Show

  • Emulate Privileged Access Never (PAN)

    Enabling this option prevents the kernel from accessing user-space memory directly by pointing TTBR0_EL1 to a reserved zeroed area and reserved ASI...
    Rule Medium Severity
    Show

  • Disable kernel support for MISC binaries

    Enabling <code>CONFIG_BINFMT_MISC</code> makes it possible to plug wrapper-driven binary formats into the kernel. This is specially useful for prog...
    Rule Medium Severity
    Show

  • Enable support for BUG()

    Disabling this option eliminates support for BUG and WARN, reducing the size of your kernel image and potentially quietly ignoring numerous fatal c...
    Rule Medium Severity
    Show

Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

Capacity
Modules