Palo Alto Networks VM-Series Firewall: Protecting a Two-Tiered App on GCPGo to Lab
Great start with Firewalls through GCP.
In "Review Compute Engine" section the note "Under the Network interfaces, note that there is no public IP for the dbserver." is duplicated
the firewall was not loading up hence cancelled the lab.
Securing frontend(public ip only ssh and http) and Backend( no access to internet)