@zhao xiaojing confirm the gateway properties set correctly and if you are using a proxy, in SmartSense 1.3 you can add proxy settings. If all else fails, open a case with support. Here's relevant page in our docs https://docs.hortonworks.com/HDPDocuments/SS1/SmartSense-1.3.0/bk_installation/content/portflow_smartsense_gateway_to_hortonworks.html Server at hadoopXX.XXX.com Port 443 ... View more