Skip to content
Log In

Guide to the Secure Configuration of Fedora

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure journald is configured to write log files to persistent disk

    The journald system may store log files in volatile memory or locally on disk. If the logs are only stored in volatile memory they will we lost upon reboot.
    Rule Medium Severity
    Show

  • Disable systemd-journal-remote Socket

    Journald supports the ability to receive messages from remote hosts, thus acting as a log server. Clients should not receive data from other hosts. NOTE: The same package, systemd-journal-remot...
    Rule Medium Severity
    Show

  • Ensure logrotate is Installed

    logrotate is installed by default. The logrotate package can be installed with the following command: 
     $ sudo dnf install logrotate
    Rule Medium Severity
    Show

  • Ensure Logrotate Runs Periodically

    The <code>logrotate</code> utility allows for the automatic rotation of log files. The frequency of rotation is specified in <code>/etc/logrotate.conf</code>, which triggers a cron task or a timer...
    Rule Medium Severity
    Show

  • Configure rsyslogd to Accept Remote Messages If Acting as a Log Server

    By default, <code>rsyslog</code> does not listen over the network for log messages. If needed, modules can be enabled to allow the rsyslog daemon to receive messages from other systems and for the ...
    Group
    Show

  • Ensure syslog-ng is Installed

    syslog-ng can be installed in replacement of rsyslog. The syslog-ng-core package can be installed with the following command: 
    $ sudo dnf install syslog-ng-core
    Rule Medium Severity
    Show

  • Enable syslog-ng Service

    The <code>syslog-ng</code> service (in replacement of rsyslog) provides syslog-style logging by default on Debian. The <code>syslog-ng</code> service can be enabled with the following command: <pr...
    Rule Medium Severity
    Show

  • Enable rsyslog to Accept Messages via TCP, if Acting As Log Server

    The <code>rsyslog</code> daemon should not accept remote messages unless the system acts as a log server. If the system needs to act as a central log server, add the following lines to <code>/etc/r...
    Rule Unknown Severity
    Show

  • Enable rsyslog to Accept Messages via UDP, if Acting As Log Server

    The <code>rsyslog</code> daemon should not accept remote messages unless the system acts as a log server. If the system needs to act as a central log server, add the following lines to <code>/etc/r...
    Rule Unknown Severity
    Show

  • Ensure rsyslog Does Not Accept Remote Messages Unless Acting As Log Server

    The <code>rsyslog</code> daemon should not accept remote messages unless the system acts as a log server. To ensure that it is not listening on the network, ensure any of the following lines are <i...
    Rule Medium Severity
    Show

  • Use Privacy Extensions for Address

    To introduce randomness into the automatic generation of IPv6 addresses, add or correct the following line in <code>/etc/sysconfig/network-scripts/ifcfg-<i>interface</i> </code>: <pre>IPV6...
    Rule Unknown Severity
    Show

  • Remote Log Server

    Specify an URI or IP address of a remote host where the log messages will be sent and stored.
    Value
    Show

  • Ensure Logs Sent To Remote Host

    To configure rsyslog to send logs to a remote log server, open <code>/etc/rsyslog.conf</code> and read and understand the last section of the file, which describes the multiple directives necessary...
    Rule Medium Severity
    Show

  • Configure TLS for rsyslog remote logging

    Configure <code>rsyslog</code> to use Transport Layer Security (TLS) support for logging to remote server for the Forwarding Output Module in <code>/etc/rsyslog.conf</code> using action. You can us...
    Rule Medium Severity
    Show

  • Configure CA certificate for rsyslog remote logging

    Configure CA certificate for <code>rsyslog</code> logging to remote server using Transport Layer Security (TLS) using correct path for the <code>DefaultNetstreamDriverCAFile</code> global option in...
    Rule Medium Severity
    Show

  • Network Configuration and Firewalls

    Most systems must be connected to a network of some sort, and this brings with it the substantial risk of network attack. This section discusses the security impact of decisions about networking wh...
    Group
    Show

  • Disable Zeroconf Networking

    Zeroconf networking allows the system to assign itself an IP address and engage in IP communication without a statically-assigned address or even a DHCP server. Automatic address assignment via Zer...
    Rule Unknown Severity
    Show

  • Prevent non-Privileged Users from Modifying Network Interfaces using nmcli

    By default, non-privileged users are given permissions to modify networking interfaces and configurations using the <code>nmcli</code> command. Non-privileged users should not be making configurati...
    Rule Medium Severity
    Show

  • firewalld

    The dynamic firewall daemon <code>firewalld</code> provides a dynamically managed firewall with support for network “zones” to assign a level of trust to a network and its associated connections an...
    Group
    Show

  • Verify firewalld Enabled

    The firewalld service can be enabled with the following command: 
    $ sudo systemctl enable firewalld.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.

Capacity
Modules