# Curl ssl error from Logstash Docker

**URL:** <https://discuss.elastic.co/t/curl-ssl-error-from-logstash-docker/299301>\
**Category:** Logstash\
**Tags:** docker\
**Created:** [March 10, 2022, 7:59am UTC](https://discuss.elastic.co/t/curl-ssl-error-from-logstash-docker/299301 "2022-03-10T07:59:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![paspao](https://avatars.discourse-cdn.com/v4/letter/p/7bcc69/32.png) [@paspao](https://discuss.elastic.co/u/paspao)\
**Post date:** [March 10, 2022, 7:59am UTC](https://discuss.elastic.co/t/curl-ssl-error-from-logstash-docker/299301/1 "2022-03-10T07:59:26Z")

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Hello,

I am doing test with official ELK Docker images.

I have a cluster setup with Docker compose working

I start a Logstash Docker then enter in it's shell to test if it can connect to cluster so I run a :

curl -k https://elastic-compose\_es01\_1:9200

I get error: curl: (35) error:14094417:SSL routines:ssl3\_read\_bytes:sslv3 alert illegal parameter

I can connect correctly from my Docker host.

Is it expected that curl fails in Logstash Docker (missing libraries) ?

Any suggestions?

Thank you  
P.

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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:** [April 7, 2022, 8:00am UTC](https://discuss.elastic.co/t/curl-ssl-error-from-logstash-docker/299301/2 "2022-04-07T08:00:10Z")

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