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Profile for ANSSI DAT-NT28 High (Enforced) Level

Rules and Groups employed by this XCCDF Profile

  • Verify Permissions on shadow File

    To properly set the permissions of /etc/shadow, run the command: 
    $ sudo chmod 0640 /etc/shadow
    Rule Medium Severity
    Show

  • Restrict Programs from Dangerous Execution Patterns

    The recommendations in this section are designed to ensure that the system's features to protect against potentially dangerous program execution are activated. These protections are applied at the ...
    Group
    Show

  • Disable Core Dumps

    A core dump file is the memory image of an executable program when it was terminated by the operating system due to errant behavior. In most cases, only software developers legitimately need to acc...
    Group
    Show

  • Disable Core Dumps for SUID programs

    To set the runtime status of the <code>fs.suid_dumpable</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w fs.suid_dumpable=0</pre> To make sure that the setting is persisten...
    Rule Medium Severity
    Show

  • Enable ExecShield

    ExecShield describes kernel features that provide protection against exploitation of memory corruption errors such as buffer overflows. These features include random placement of the stack and othe...
    Group
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  • Enable Randomized Layout of Virtual Address Space

    To set the runtime status of the <code>kernel.randomize_va_space</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w kernel.randomize_va_space=2</pre> To make sure that the se...
    Rule Medium Severity
    Show

  • Services

    The best protection against vulnerable software is running less software. This section describes how to review the software which Ubuntu 16.04 installs on a system and disable software which is not...
    Group
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  • APT service configuration

    The apt service manage the package management and update of the whole system. Its configuration need to be properly defined to ensure efficient security updates, packages and repository authenticat...
    Group
    Show

  • Disable unauthenticated repositories in APT configuration

    Unauthenticated repositories should not be used for updates.
    Rule Unknown Severity
    Show

  • Cron and At Daemons

    The cron and at services are used to allow commands to be executed at a later time. The cron service is required by almost all systems to perform necessary maintenance tasks, while at may or may no...
    Group
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  • Install the cron service

    The Cron service should be installed.
    Rule Medium Severity
    Show

  • Deprecated services

    Some deprecated software services impact the overall system security due to their behavior (leak of confidentiality in network exchange, usage as uncontrolled communication channel, risk associated...
    Group
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  • Uninstall the inet-based telnet server

    The inet-based telnet daemon should be uninstalled.
    Rule High Severity
    Show

  • Uninstall the nis package

    The support for Yellowpages should not be installed unless it is required.
    Rule Low Severity
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  • Uninstall the ntpdate package

    ntpdate is a historical ntp synchronization client for unixes. It sould be uninstalled.
    Rule Low Severity
    Show

  • Uninstall the ssl compliant telnet server

    The telnet daemon, even with ssl support, should be uninstalled.
    Rule High Severity
    Show

  • Uninstall the telnet server

    The telnet daemon should be uninstalled.
    Rule High Severity
    Show

  • Network Time Protocol

    The Network Time Protocol is used to manage the system clock over a network. Computer clocks are not very accurate, so time will drift unpredictably on unmanaged systems. Central time protocols can...
    Group
    Show

  • Install the ntp service

    The ntpd service should be installed.
    Rule High Severity
    Show

  • Enable the NTP Daemon

    The ntp service can be enabled with the following command: 
    $ sudo systemctl enable ntp.service
    Rule High Severity
    Show

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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