RouteTableInbound    = 100

	DNSCapturePort              = 15053
	ZtunnelInboundPort          = 15008
	ZtunnelOutboundPort         = 15001
	ZtunnelInboundPlaintextPort = 15006
	ProbeIPSet                  = "istio-inpod-probes"
)

var log = istiolog.RegisterScope("iptables", "iptables helper")

type Config struct {
	RestoreFormat bool `json:"RESTORE_FORMAT"`
	TraceLogging  bool `json:"IPTABLES_TRACE_LOGGING"`

  // +patchStrategy=merge
  // +optional
  repeated VolumeDevice volumeDevices = 21;

  // Probes are not allowed for ephemeral containers.
  // +optional
  optional Probe livenessProbe = 10;

  // Probes are not allowed for ephemeral containers.
  // +optional
  optional Probe readinessProbe = 11;

  // Probes are not allowed for ephemeral containers.
  // +optional
  optional Probe startupProbe = 22;

# Downloaded from https://github.com/metallb/metallb/raw/v0.13.12/config/manifests/metallb-native.yaml
# With quay.io hub replaced with gcr.io/istio-testing
# And probes tuned to startup faster
apiVersion: v1
kind: Namespace
metadata:
  labels:
    pod-security.kubernetes.io/audit: privileged
    pod-security.kubernetes.io/enforce: privileged
    pod-security.kubernetes.io/warn: privileged
  name: metallb-system
---
apiVersion: apiextensions.k8s.io/v1

set SO_KEEPALIVE on the socket to enable TCP Keepalives. properties: interval: description: The time duration between keep-alive probes. type: string probes: description: Maximum number of keepalive probes to send without response before deciding the connection is dead. type: integer time: description: The time duration a connection needs to be idle before keep-alive probes start being sent. type: string type: object type: object type: object loadBalancer: description: Settings controlling the load...

iptables -t nat -A ISTIO_POSTRT -m owner --socket-exists -p tcp -m set --match-set istio-inpod-probes-v4 dst -j SNAT --to-source 169.254.7.127
ip6tables -t nat -N ISTIO_POSTRT
ip6tables -t nat -A POSTROUTING -j ISTIO_POSTRT

- [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#resource-requests-and-limits-of-pod-and-container)
- [readiness probes](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/)
- [replica count](https://kubernetes.io/docs/concepts/workloads/controllers/deployment/)

                                      description: The time duration between keep-alive
                                        probes.
                                      type: string
                                    probes:
                                      description: Maximum number of keepalive probes
                                        to send without response before deciding the

                                      description: The time duration between keep-alive
                                        probes.
                                      type: string
                                    probes:
                                      description: Maximum number of keepalive probes
                                        to send without response before deciding the

iptables -t nat -N ISTIO_POSTRT
iptables -t nat -A POSTROUTING -j ISTIO_POSTRT

	DNSCapturePort              = 15053
	ZtunnelInboundPort          = 15008
	ZtunnelOutboundPort         = 15001
	ZtunnelInboundPlaintextPort = 15006
	ProbeIPSet                  = "istio-inpod-probes"