The Usage of Firewalld
=========================

firewalld forward
-----------------------

Within host and between host:

within host
~~~~~~~~~~~~~~~~~~~~~

Forward package from 5423 to 80

.. code-block:: bash

    firewall-cmd --permanent --add-forward-port=port=5423:proto=tcp:toport=80


between host
~~~~~~~~~~~~~~~~~~~

Need add masquerade firstly.
Forward data from 8080 to 8080 of host 192.168.37.2

.. code-block:: bash

    firewall-cmd --zone=trusted --add-masquerade --permanent
    firewall-cmd --permanent --add-forward-port=port=8080:proto=tcp:toport=8080:toaddr=192.168.37.2