On 2/19/19 4:48 AM, Ralf Prengel wrote: > telnet localhost or 127.0.0.1 9200 works local on the machine > telnet 192.168.242.4 9200 connection refused local on the machine. So > it is clear that access from other systems can not work. Set your network address as "network.host" in /etc/elasticsearch/elasticsearch.yml