You can disable port 22 and the USB ports on the automation server.
You disable port 22 on your automation server to avoid cyber-attack on this port.
If you do not want to connect to your automation server using the SSH port 22, you can add another port.
To increase security, you disable the USB port on your AS-B server and AS-P server.
You engineer your system using the engineering tools.
Two compatible ports can be connected by a binding. Bindings connect the input port of one Function Block object to the output port of another Function Block object.
You configure a user account group to only allow the use of classic function block editor and views and turn off the possibility to use Builder for Function Block.