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Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SSH client uses strong entropy to seed (Bash-like shells)

    To set up SSH client to use entropy from a high-quality source, make sure that the appropriate shell environment variable is configured. The <code>...
    Rule Medium Severity
  • Allow Only SSH Protocol 2

    Only SSH protocol version 2 connections should be permitted. The default setting in <code>/etc/ssh/sshd_config</code> is correct, and can be verifi...
    Rule High Severity
  • Verify the SSH Private Key Files Have a Passcode

    When creating SSH key pairs, always use a passcode. <br> You can create such keys with the following command: <pre>$ sudo ssh-keygen -n [passphrase...
    Rule Medium Severity
  • Configure OpenSSH Server if Necessary

    If the system needs to act as an SSH server, then certain changes should be made to the OpenSSH daemon configuration file <code>/etc/ssh/sshd_confi...
    Group
  • SSH RekeyLimit - size

    Specify the size component of the rekey limit.
    Value

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