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Guide to the Secure Configuration of Red Hat Enterprise Linux CoreOS 4

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Login Banner Verbiage

    Enter an appropriate login banner for your organization. Please note that new lines must be expressed by the '\n' character and special characters like parentheses and quotation marks must be escap...
    Value
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  • Remote Login Banner Verbiage

    Enter an appropriate login banner for your organization. Please note that new lines must be expressed by the '\n' character and special characters like parentheses and quotation marks must be escap...
    Value
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  • Modify the System Login Banner

    To configure the system login banner create a file under <code>/etc/issue.d</code> The Machine Configuration provided with this rule is generic. You may need to adjust it accordingly to fit your ...
    Rule Medium Severity
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  • Disallow Configuration to Bypass Password Requirements for Privilege Escalation

    Verify the operating system is not configured to bypass password requirements for privilege escalation. Check the configuration of the "/etc/pam.d/sudo" file with the following command: <pre>$ sudo...
    Rule Medium Severity
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  • Verify Group Ownership of System Login Banner for Remote Connections

    To properly set the group owner of /etc/issue.net, run the command: 
    $ sudo chgrp root /etc/issue.net
    Rule Medium Severity
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  • Verify ownership of System Login Banner

    To properly set the owner of /etc/issue, run the command: 
    $ sudo chown root /etc/issue
    Rule Medium Severity
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  • Verify ownership of System Login Banner for Remote Connections

    To properly set the owner of /etc/issue.net, run the command: 
    $ sudo chown root /etc/issue.net
    Rule Medium Severity
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  • Verify permissions on System Login Banner

    To properly set the permissions of /etc/issue, run the command: 
    $ sudo chmod 0644 /etc/issue
    Rule Medium Severity
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  • Verify permissions on System Login Banner for Remote Connections

    To properly set the permissions of /etc/issue.net, run the command: 
    $ sudo chmod 0644 /etc/issue.net
    Rule Medium Severity
    Show

  • Password Hashing algorithm

    Specify the system default encryption algorithm for encrypting passwords. Defines the value set as ENCRYPT_METHOD in /etc/login.defs.
    Value
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