Usage of network.host on 5.4

Elastic Stack Elasticsearch
1

I am installing 5.4 today and I see the an issue. Port 9200 is active when I set network.host: localhost
But, when I set network.host to an IP, I see curl: (7) Failed to connect to port 9200: Connection refused.

Can someone explain what's going on here? I have installed 5.3 very recently but never faced this issue ?

Please help.

2

Hi @bobby259,

Based on your description it's hard to find out what's going on. By setting network.host to an IP other than localhost, Elasticsearch enables bootstrap checks and refuses to start when these checks fail. So I would check the log file of Elasticsearch and apply the necessary fixes. Also see our docs on bootstrap checks for more details.

Daniel

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