Use VPC firewall rules

https://docs.cloud.google.com/firewall/docs/using-firewalls

gcloud compute firewall-rules create

See also

• gcloud compute [ instances | disks | images | address | networks | ssh | scp | tpu | resource-policies describe | project-info | firewall-policies ], pd-standard
• VPC, Amazon Virtual Private Cloud, Google VPC Networks, VPC endpoint, VPC flow logging, VPC peering, VPC Scenarios