configPath: "/etc/istio/proxy"
  binaryPath: "/usr/local/bin/envoy"
  # The pseudo service name used for Envoy.
  serviceCluster: istio-proxy
  # These settings that determine how long an old Envoy
  # process should be kept alive after an occasional reload.
  drainDuration: 2s
  #
  # The mode used to redirect inbound connections to Envoy. This setting
  # has no effect on outbound traffic: iptables REDIRECT is always used for
  # outbound connections.

                                  properties:
                                    interval:
                                      description: The time duration between keep-alive
                                        probes.
                                      type: string
                                    probes:

                                  properties:
                                    interval:
                                      description: The time duration between keep-alive
                                        probes.
                                      type: string
                                    probes:

then 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...