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Guide to the Secure Configuration of Ubuntu 22.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Disable Apport Service

    The Apport modifies certain kernel configuration values at runtime which may decrease the overall security of the system and expose sensitive data....
    Rule Unknown Severity
    Show

  • 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 sec...
    Group
    Show

  • Disable unauthenticated repositories in APT configuration

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

  • Secure Apache Configuration

    The <code>httpd</code> configuration file is <code>/etc/httpd/conf/httpd.conf</code>. Apply the recommendations in the remainder of this section to...
    Group
    Show

  • Avahi Server

    The Avahi daemon implements the DNS Service Discovery and Multicast DNS protocols, which provide service and host discovery on a network. It allows...
    Group
    Show

  • Configure Avahi if Necessary

    If your system requires the Avahi daemon, its configuration can be restricted to improve security. The Avahi daemon configuration file is <code>/et...
    Group
    Show

  • Disable Avahi Publishing

    To prevent Avahi from publishing its records, edit <code>/etc/avahi/avahi-daemon.conf</code> and ensure the following line appears in the <code>[pu...
    Rule Low Severity
    Show

  • Disable Avahi Server if Possible

    Because the Avahi daemon service keeps an open network port, it is subject to network attacks. Disabling it can reduce the system's vulnerability t...
    Group
    Show

  • Uninstall avahi Server Package

    If the system does not need to have an Avahi server which implements the DNS Service Discovery and Multicast DNS protocols, the avahi-autoipd and a...
    Rule Medium Severity
    Show

  • Disable Avahi Server Software

    The avahi-daemon service can be disabled with the following command: 
    $ sudo systemctl mask --now avahi-daemon.service
    Rule Medium 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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