Find and close unneeded ports in GKE firewall rules
The default GKE firewall rules open ports that may or may not be needed ("80, 15021, and 15443"). Investigate which of these ports can be closed (and how) without breaking GKE, Knative or Istio.
The default GKE firewall rules open ports that may or may not be needed ("80, 15021, and 15443"). Investigate which of these ports can be closed (and how) without breaking GKE, Knative or Istio.