updatingInboundRule.json

{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "loadBalancerName": {
      "type": "string",
      "metadata": {
        "description": "Specifies the resource name of the load balancer."
      }
    },
    "loadBalancerId": {
      "type": "string",
      "metadata": {
        "description": "Specifies the id of the load balancer's back end address pool."
      }
    },
    "inboundRuleName": {
      "type": "string",
      "metadata": {
        "description": "Specifies the name of an inbound rule to update."
      }
    },
    "frontendPort": {
      "type": "int",
      "metadata": {
        "description": "Specifies the new frontend port for the inbound rule."
      }
    },
    "backendPort": {
      "type": "int",
      "metadata": {
        "description": "Specifies the new backend port for the inbound rule."
      }
    }
  },
  "variables": {
  },
  "resources": [
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/loadBalancers/inboundNatRules",
      "name": "[concat(parameters('loadBalancerName'), '/', parameters('inboundRuleName'))]",
      "properties": {
        "frontendIPConfiguration": {
          "id": "[concat(resourceId('Microsoft.Network/loadBalancers','loadBalancer'),'/frontendIPConfigurations/LBFE')]"
        },
        "protocol": "tcp",
        "frontendPort": "[parameters('frontendPort')]",
        "backendPort": "[parameters('backendPort')]",
        "enableFloatingIP": false
      }
    }
  ],
  "outputs": {
  }
}