This article covers methods to resolve Google Cloud Error Code 4033. Virtual Private Cloud (VPC) firewall rules apply to a given project and network. If you want to apply firewall rules to multiple VPC networks in an organization.
VPC firewall rules let you allow or deny connections to or from your virtual machine (VM) instances based on a configuration that you specify. Enabled VPC firewall rules are always enforced, protecting your instances regardless of their configuration and operating system, even if they have not started up.