Checking the Current FreeBSD Version

The Versions of pfSense and FreeBSD article contains a table of the versions used in various releases of pfSense® software and FreeBSD, or follow these instructions:

From the Dashboard in the webGUI, look at the System Information widget. It is displayed under the Version section. Clicking the FreeBSD version displays the full kernel uname -a output.

In the SSH console or Execute Shell Command field in the GUI, run the following:

uname -mrs