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Guide to the Secure Configuration of Debian 12

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Group Who Owns /etc/selinux Directory

    To properly set the group owner of /etc/selinux, run the command: 
    $ sudo chgrp root /etc/selinux
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/selinux Directory

    To properly set the owner of /etc/selinux, run the command: 
    $ sudo chown root /etc/selinux
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/selinux Directory

    To properly set the permissions of /etc/selinux, run the command: 
    $ sudo chmod 0755 /etc/selinux
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/sestatus.conf File

    To properly set the group owner of /etc/sestatus.conf, run the command: 
    $ sudo chgrp root /etc/sestatus.conf
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/sestatus.conf File

    To properly set the owner of /etc/sestatus.conf, run the command: 
    $ sudo chown root /etc/sestatus.conf
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/sestatus.conf File

    To properly set the permissions of /etc/sestatus.conf, run the command: 
    $ sudo chmod 0644 /etc/sestatus.conf
    Rule Medium Severity
    Show

  • Configure the polyinstantiation_enabled SELinux Boolean

    By default, the SELinux boolean <code>polyinstantiation_enabled</code> is disabled. This setting should be configured to <xccdf-1.2:sub idref="xccd...
    Rule Medium Severity
    Show

  • Minimize the DHCP-Configured Options

    Create the file <code>/etc/dhcp/dhclient.conf</code>, and add an appropriate setting for each of the ten configuration settings which can be obtain...
    Rule Unknown Severity
    Show

  • Minimize Served Information

    Edit /etc/dhcp/dhcpd.conf. Examine each address range section within the file, and ensure that the following options are not defined unless there i...
    Rule Unknown Severity
    Show

  • Uninstall DHCP Server Package

    If the system does not need to act as a DHCP server, the dhcp package can be uninstalled. The <code>dhcp</code> package can be removed with the fo...
    Rule Medium Severity
    Show

  • FTP Server

    FTP is a common method for allowing remote access to files. Like telnet, the FTP protocol is unencrypted, which means that passwords and other data...
    Group
    Show

  • Configure Firewalls to Protect the FTP Server

    By default, <code>iptables</code> blocks access to the ports used by the web server. To configure <code>iptables</code> to allow port 21 traffic, ...
    Rule Unknown Severity
    Show

  • Mail Server Software

    Mail servers are used to send and receive email over the network. Mail is a very common service, and Mail Transfer Agents (MTAs) are obvious target...
    Group
    Show

  • Uninstall Sendmail Package

    Sendmail is not the default mail transfer agent and is not installed by default. The <code>sendmail</code> package can be removed with the followin...
    Rule Medium Severity
    Show

  • Disable Postfix Network Listening

    Edit the file <code>/etc/postfix/main.cf</code> to ensure that only the following <code>inet_interfaces</code> line appears: <pre>inet_interfaces =...
    Rule Medium 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

  • A remote time server for Chrony is configured

    <code>Chrony</code> is a daemon which implements the Network Time Protocol (NTP). It is designed to synchronize system clocks across a variety of s...
    Rule Medium Severity
    Show

  • Chrony Configure Pool and Server

    <code>Chrony</code> is a daemon which implements the Network Time Protocol (NTP). It is designed to synchronize system clocks across a variety of s...
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/chrony.keys File

    To properly set the group owner of /etc/chrony.keys, run the command: 
    $ sudo chgrp root /etc/chrony.keys
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/chrony.keys File

    To properly set the owner of /etc/chrony.keys, run the command: 
    $ sudo chown root /etc/chrony.keys
    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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