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Guide to the Secure Configuration of Red Hat Enterprise Linux 7

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Install the dracut-fips-aesni Package

    To enable FIPS on system that support the Advanced Encryption Standard (AES) or New Instructions (AES-NI) engine, the system requires that the <cod...
    Rule Medium Severity
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  • Install the dracut-fips Package

    To enable FIPS, the system requires that the <code>dracut-fips</code> package be installed. The <code>dracut-fips</code> package can be installed w...
    Rule Medium Severity
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  • Ensure '/etc/system-fips' exists

    On a system where FIPS mode is enabled, <code>/etc/system-fips</code> must exist. To enable FIPS mode, run the following command: <pre>fips-mode-se...
    Rule High Severity
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  • Install sudo Package

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

  • Enable FIPS Mode in GRUB2

    To ensure FIPS mode is enabled, install package <code>dracut-fips</code>, and rebuild <code>initramfs</code> by running the following commands: <pr...
    Rule High Severity
    Show

  • 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 ap...
    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...
    Value
    Show

  • 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 u...
    Value
    Show

  • The system-provided crypto policies

    Specify the crypto policy for the system.
    Value
    Show

  • Harden SSH client Crypto Policy

    Crypto Policies are means of enforcing certain cryptographic settings for selected applications including OpenSSH client. To override the system wi...
    Rule Medium Severity
    Show

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