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Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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

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