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Centro Criptológico Nacional (CCN) - STIC for Red Hat Enterprise Linux 9 - Intermediate

Rules and Groups employed by this XCCDF Profile

  • 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_config</code>. The following recommendations can be app...
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  • Set SSH Client Alive Count Max

    The SSH server sends at most <code>ClientAliveCountMax</code> messages during a SSH session and waits for a response from the SSH client. The option <code>ClientAliveInterval</code> configures time...
    Rule Medium Severity
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  • Set SSH Client Alive Interval

    SSH allows administrators to set a network responsiveness timeout interval. After this interval has passed, the unresponsive client will be automatically logged out. <br> <br> To set this t...
    Rule Medium Severity
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  • Enable SSH Warning Banner

    To enable the warning banner and ensure it is consistent across the system, add or correct the following line in <code>/etc/ssh/sshd_config.d/00-complianceascode-hardening.conf</code>: <pre>Banne...
    Rule Medium Severity
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  • Limit Users' SSH Access

    By default, the SSH configuration allows any user with an account to access the system. There are several options available to limit which users and group can access the system via SSH. It is recom...
    Rule Unknown Severity
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  • USBGuard daemon

    The USBGuard daemon enforces the USB device authorization policy for all USB devices.
    Group
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  • Install usbguard Package

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

  • Enable the USBGuard Service

    The USBGuard service should be enabled. The usbguard service can be enabled with the following command: 
    $ sudo systemctl enable usbguard.service
    Rule Medium Severity
    Show

  • Generate USBGuard Policy

    By default USBGuard when enabled prevents access to all USB devices and this lead to inaccessible system if they use USB mouse/keyboard. To prevent this scenario, the initial policy configuration m...
    Rule Medium Severity
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Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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