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+:lastproofread: 2023-11-08
+
+.. _firewall-configuration:
+
+#############################
+Bridge Firewall Configuration
+#############################
+
+.. note:: **Documentation under development**
+
+********
+Overview
+********
+
+In this section there's useful information of all firewall configuration that
+can be done regarding bridge, and appropiate op-mode commands.
+Configuration commands covered in this section:
+
+.. cfgcmd:: set firewall bridge ...
+
+From main structure defined in :doc:`Firewall Overview</configuration/firewall/index>`
+in this section you can find detailed information only for the next part
+of the general structure:
+
+.. code-block:: none
+
+   - set firewall
+       * bridge
+            - forward
+               + filter
+            - name
+               + custom_name
+
+Traffic which is received by the router on an interface which is member of a
+bridge is processed on the **Bridge Layer**. A simplified packet flow diagram
+for this layer is shown next:
+
+.. figure:: /_static/images/firewall-bridge-packet-flow.png
+
+For traffic that needs to be forwared internally by the bridge, base chain is
+is **forward**, and it's base command for filtering is ``set firewall bridge
+forward filter ...``