input {
  udp {
    host => "0.0.0.0"
    port => 4739
    codec => netflow {
      versions => [10]
      target => ipfix
    }
    type => ipfix
  }
}

{
         "ipfix" => {
                "destinationTransportPort" => 39912,
                     "flowEndMicroseconds" => "2017-04-11T02:53:09.000Z",
                       "sourceIPv4Address" => "10.x.x.x",
                     "netscalerUnknown329" => 0,
                         "egressInterface" => 0,
                         "octetDeltaCount" => 6600,
                   "netscalerAppNameAppId" => 165707776,
                     "sourceTransportPort" => 636,
                                  "flowId" => 14049270,
                  "destinationIPv4Address" => "10.y.y.y",
                      "observationPointId" => 472006666,
                   "netscalerConnectionId" => 14049269,
                          "tcpControlBits" => 25,
                   "flowStartMicroseconds" => "2017-04-11T02:53:09.000Z",
                        "ingressInterface" => 2147483651,
                                 "version" => 10,
                        "packetDeltaCount" => 16,
                  "netscalerRoundTripTime" => 0,
              "netscalerConnectionChainID" => "00000000000000000000000000000000",
                               "ipVersion" => 4,
                      "protocolIdentifier" => 6,
                     "netscalerUnknown331" => 0,
                     "netscalerUnknown332" => 0,
                      "exportingProcessId" => 0,
                      "netscalerFlowFlags" => 1090527232,
                  "netscalerTransactionId" => 342306495,
        "netscalerConnectionChainHopCount" => 0
    },
    "@timestamp" => 2017-04-11T02:53:09.000Z,
      "@version" => "1",
          "host" => "172.28.128.3",
          "type" => "ipfix"
}


{
         "ipfix" => {
               "netscalerHttpReqUserAgent" => "",
                "destinationTransportPort" => 443,
                  "netscalerHttpReqCookie" => "",
                     "flowEndMicroseconds" => "2017-04-11T02:52:49.000Z",
                     "netscalerHttpReqUrl" => "/someblah",
                       "sourceIPv4Address" => "10.z.z.z",
                  "netscalerHttpReqMethod" => "POST",
                    "netscalerHttpReqHost" => "some.example.com",
                         "egressInterface" => 2147483651,
                         "octetDeltaCount" => 1165,
                   "netscalerAppNameAppId" => 36274176,
                     "sourceTransportPort" => 59959,
                                  "flowId" => 14043803,
           "netscalerHttpReqAuthorization" => "",
                 "netscalerHttpDomainName" => "",
                    "netscalerAaaUsername" => "",
                "netscalerHttpContentType" => "",
                  "destinationIPv4Address" => "10.w.w.w",
                      "observationPointId" => 472006666,
                     "netscalerHttpReqVia" => "",
                   "netscalerConnectionId" => 14043803,
                          "tcpControlBits" => 24,
                   "flowStartMicroseconds" => "2017-04-11T02:52:49.000Z",
                        "ingressInterface" => 1,
                                 "version" => 10,
                        "packetDeltaCount" => 1,
                     "netscalerUnknown330" => 0,
              "netscalerConnectionChainID" => "928ba0c1da3300000145ec5805800e00",
                               "ipVersion" => 4,
                      "protocolIdentifier" => 6,
                  "netscalerHttpResForwLB" => 0,
                 "netscalerHttpReqReferer" => "",
                      "exportingProcessId" => 0,
               "netscalerAppUnitNameAppId" => 0,
                      "netscalerFlowFlags" => 151134208,
                  "netscalerTransactionId" => 342305773,
                  "netscalerHttpResForwFB" => 0,
        "netscalerConnectionChainHopCount" => 1,
           "netscalerHttpReqXForwardedFor" => ""
    },
    "@timestamp" => 2017-04-11T02:52:51.000Z,
      "@version" => "1",
          "host" => "172.28.128.3",
          "type" => "ipfix"
}