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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000080-GPOS-00048

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  • Ubuntu operating systems booted with United Extensible Firmware Interface (UEFI) implemented must require authentication upon booting into single-user mode and maintenance.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule High Severity
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  • SRG-OS-000254-GPOS-00095

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  • The Ubuntu operating system must initiate session audits at system startup.

    &lt;VulnDiscussion&gt;If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit syst...
    Rule Medium Severity
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  • SRG-OS-000185-GPOS-00079

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  • Ubuntu operating systems handling data requiring data at rest protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest.

    &lt;VulnDiscussion&gt;Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and...
    Rule Medium Severity
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  • SRG-OS-000478-GPOS-00223

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  • The Ubuntu operating system must implement NIST FIPS-validated cryptography to protect classified information and for the following: to provision digital signatures, to generate cryptographic hashes, and to protect unclassified information requiring confidentiality and cryptographic protection in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating ...
    Rule High Severity
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  • SRG-OS-000343-GPOS-00134

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  • The Ubuntu operating system must immediately notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75% of the repository maximum audit record storage capacity.

    &lt;VulnDiscussion&gt;If security personnel are not notified immediately when storage volume reaches 75% utilization, they are unable to plan for a...
    Rule Low Severity
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  • SRG-OS-000479-GPOS-00224

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  • The Ubuntu operating system audit event multiplexor must be configured to off-load audit logs onto a different system in real time, if the system is interconnected.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Low Severity
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  • SRG-OS-000479-GPOS-00224

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  • The Ubuntu operating system must have a crontab script running weekly to off-load audit events of standalone systems.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Low Severity
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  • SRG-OS-000366-GPOS-00153

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  • Advance package Tool (APT) must be configured to prevent the installation of patches, service packs, device drivers, or Ubuntu operating system components without verification they have been digitally signed using a certificate that is recognized and approved by the organization.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the Ubuntu operating system. This ...
    Rule Medium Severity
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  • SRG-OS-000437-GPOS-00194

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  • The Ubuntu operating system must be configured so that Advance package Tool (APT) removes all software components after updated versions have been installed.

    &lt;VulnDiscussion&gt;Previous versions of software components that are not removed from the information system after updates have been installed m...
    Rule Medium Severity
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  • SRG-OS-000095-GPOS-00049

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  • The Ubuntu operating system must not have the Network Information Service (NIS) package installed.

    &lt;VulnDiscussion&gt;Removing the Network Information Service (NIS) package decreases the risk of the accidental (or intentional) activation of NI...
    Rule High Severity
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  • SRG-OS-000095-GPOS-00049

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  • The Ubuntu operating system must not have the rsh-server package installed.

    &lt;VulnDiscussion&gt;It is detrimental for Ubuntu operating systems to provide, or install by default, functionality exceeding requirements or mis...
    Rule High Severity
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  • SRG-OS-000191-GPOS-00080

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  • The Ubuntu operating system must deploy Endpoint Security for Linux Threat Prevention (ENSLTP).

    &lt;VulnDiscussion&gt;Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the operating syste...
    Rule Medium Severity
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  • SRG-OS-000269-GPOS-00103

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  • The Ubuntu operating system must be configured to preserve log records from failure events.

    &lt;VulnDiscussion&gt;Failure to a known state can address safety or security in accordance with the mission/business needs of the organization. Fa...
    Rule Medium Severity
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  • SRG-OS-000297-GPOS-00115

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  • The Ubuntu operating system must have an application firewall installed in order to control remote access methods.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
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  • SRG-OS-000342-GPOS-00133

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  • The Ubuntu operating system audit event multiplexor must be configured to off-load audit logs onto a different system or storage media from the system being audited.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Low Severity
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  • SRG-OS-000383-GPOS-00166

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  • The Ubuntu operating system must be configured such that Pluggable Authentication Module (PAM) prohibits the use of cached authentications after one day.

    &lt;VulnDiscussion&gt;If cached authentication information is out-of-date, the validity of the authentication information may be questionable.&lt;/...
    Rule Low Severity
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  • SRG-OS-000480-GPOS-00226

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  • The Ubuntu operating system must enforce a delay of at least 4 seconds between logon prompts following a failed logon attempt.

    &lt;VulnDiscussion&gt;Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain acc...
    Rule Low Severity
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  • SRG-OS-000480-GPOS-00227

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  • The Ubuntu operating system must display the date and time of the last successful account logon upon logon.

    &lt;VulnDiscussion&gt;Configuring the Ubuntu operating system to implement organization-wide security implementation guides and security checklists...
    Rule Low Severity
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  • SRG-OS-000021-GPOS-00005

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  • The Ubuntu operating system must be configured so that three consecutive invalid logon attempts by a user automatically locks the account until released by an administrator.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
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  • SRG-OS-000024-GPOS-00007

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  • The Ubuntu operating system must display the Standard Mandatory DoD Notice and Consent Banner before granting local access to the system via a graphical user logon.

    &lt;VulnDiscussion&gt;The banner must be acknowledged by the user prior to allowing the user access to the operating system. This provides assuranc...
    Rule Medium Severity
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  • SRG-OS-000109-GPOS-00056

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  • The Ubuntu operating system must prevent direct login into the root account.

    &lt;VulnDiscussion&gt;To assure individual accountability and prevent unauthorized access, organizational users must be individually identified and...
    Rule Medium Severity
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  • SRG-OS-000134-GPOS-00068

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  • The Ubuntu operating system must be configured so that only users who need access to security functions are part of the sudo group.

    &lt;VulnDiscussion&gt;An isolation boundary provides access control and protects the integrity of the hardware, software, and firmware that perform...
    Rule High Severity
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  • SRG-OS-000228-GPOS-00088

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  • The Ubuntu operating system must display the Standard Mandatory DoD Notice and Consent Banner before granting any publically accessible connection to the system.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the Ubuntu operating system ensures privacy...
    Rule Medium Severity
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  • SRG-OS-000069-GPOS-00037

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  • The Ubuntu operating system must enforce password complexity by requiring that at least one upper-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Low Severity
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  • SRG-OS-000070-GPOS-00038

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  • The Ubuntu operating system must enforce password complexity by requiring that at least one lower-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Low 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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