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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Set kernel parameter 'crypto.fips_enabled' to 1

    System running in FIPS mode is indicated by kernel parameter <code>'crypto.fips_enabled'</code>. This parameter should be set to <code>1</code> in FIPS mode. To enable FIPS mode, run the following ...
    Rule High Severity
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  • System Cryptographic Policies

    Linux has the capability to centrally configure cryptographic polices. The command <code>update-crypto-policies</code> is used to set the policy applicable for the various cryptographic back-ends, ...
    Group
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  • SSH client RekeyLimit - size

    Specify the size component of the rekey limit. This limit signifies amount of data. After this amount of data is transferred through the connection, the session key is renegotiated. The number is f...
    Value
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  • SSH client RekeyLimit - time

    Specify the time component of the rekey limit. The session key is renegotiated after the defined amount of time passes. The number is followed by units such as H or M for hours or minutes. Note tha...
    Value
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  • The system-provided crypto policies

    Specify the crypto policy for the system.
    Value
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  • domain_kernel_load_modules SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
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  • entropyd_use_audio SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
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  • Network Parameters for Hosts Only

    If the system is not going to be used as a router, then setting certain kernel parameters ensure that the host will not perform routing of network traffic.
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  • McAfee Endpoint Security for Linux (ENSL)

    McAfee Endpoint Security for Linux (ENSL) is a suite of software applications used to monitor, detect, and defend computer networks and systems.
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  • Memory Poisoning

    Memory Poisoning consists of writing a special value to uninitialized or freed memory. Poisoning can be used as a mechanism to prevent leak of information and detection of corrupted memory.
    Group
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