When working with the Firewall component you should remember about the following peculiarity:
if when creating a rule for application or packet filtering rule in the field Remote address you define the name of the computer/host which is not in the network at the moment, then this name cannot be added. As a result you will get the following error:
At the same time the IP-address will be added correctly.
Firewall rules do not influence Intrusion Detection System (IDS)
for the zone Local networkICMP packages are always allowed