# \[WARN \]\[o.e.x.s.t.n.SecurityNetty4HttpServerTransport\] \[crud\_node\] http client did not trust this server's certificate, closing connection Netty4HttpChannel{localAddress=/127.0.0.1:9200

**URL:** <https://discuss.elastic.co/t/warn-o-e-x-s-t-n-securitynetty4httpservertransport-crud-node-http-client-did-not-trust-this-servers-certificate-closing-connection-netty4httpchannel-localaddress-127-0-0-1-9200/306859>\
**Category:** Logstash\
**Created:** [June 10, 2022, 9:05am UTC](https://discuss.elastic.co/t/warn-o-e-x-s-t-n-securitynetty4httpservertransport-crud-node-http-client-did-not-trust-this-servers-certificate-closing-connection-netty4httpchannel-localaddress-127-0-0-1-9200/306859 "2022-06-10T09:05:14Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Axel\_Ekenberg](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/axel_ekenberg/32/106869_2.png) [@Axel\_Ekenberg](https://discuss.elastic.co/u/Axel_Ekenberg)\
**Post date:** [June 10, 2022, 9:05am UTC](https://discuss.elastic.co/t/warn-o-e-x-s-t-n-securitynetty4httpservertransport-crud-node-http-client-did-not-trust-this-servers-certificate-closing-connection-netty4httpchannel-localaddress-127-0-0-1-9200/306859/1 "2022-06-10T09:05:14Z")

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Hi! I just started with the ELK stack and i have downloaded kibana, logstash, Elasticsearch, made a config file in my logstash folder and i start Elasticsearch and it works well and then when i run logstash with "logstash -f logstash-simple.conf" it starts but then i get "Elasticsearch Unreachable", and i cant get on to [http://localhost:9200/](http://localhost:9200/) to. pls help

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 8, 2022, 9:05am UTC](https://discuss.elastic.co/t/warn-o-e-x-s-t-n-securitynetty4httpservertransport-crud-node-http-client-did-not-trust-this-servers-certificate-closing-connection-netty4httpchannel-localaddress-127-0-0-1-9200/306859/2 "2022-07-08T09:05:47Z")

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