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Guide to the Secure Configuration of Fedora

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SSH server uses strong entropy to seed

    To set up SSH server to use entropy from a high-quality source, edit the <code>/etc/sysconfig/sshd</code> file. The <code>SSH_USE_STRONG_RNG</code>...
    Rule Low Severity
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  • Prevent remote hosts from connecting to the proxy display

    The SSH daemon should prevent remote hosts from connecting to the proxy display. <br> The default SSH configuration for <code>X11UseLocalhost</code...
    Rule Medium Severity
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  • Strengthen Firewall Configuration if Possible

    If the SSH server is expected to only receive connections from the local network, then strengthen the default firewall rule for the SSH service to ...
    Group
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  • System Security Services Daemon

    The System Security Services Daemon (SSSD) is a system daemon that provides access to different identity and authentication providers such as Red H...
    Group
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  • SSSD certificate_verification option

    Value of the certificate_verification option in the SSSD config.
    Value
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  • SSSD memcache_timeout option

    Value of the memcache_timeout option in the [nss] section of SSSD config /etc/sssd/sssd.conf.
    Value
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  • SSSD ssh_known_hosts_timeout option

    Value of the ssh_known_hosts_timeout option in the [ssh] section of SSSD configuration file /etc/sssd/sssd.conf.
    Value
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  • Install sssd-ipa Package

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

  • Enable the SSSD Service

    The SSSD service should be enabled. The <code>sssd</code> service can be enabled with the following command: <pre>$ sudo systemctl enable sssd.ser...
    Rule Medium Severity
    Show

  • Certificate status checking in SSSD

    Multifactor solutions that require devices separate from information systems gaining access include, for example, hardware tokens providing time-ba...
    Rule Medium Severity
    Show

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