# Unable to start elasticsearch after creating cert for http communication

**URL:** <https://discuss.elastic.co/t/unable-to-start-elasticsearch-after-creating-cert-for-http-communication/175037>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-security\
**Created:** [April 2, 2019, 4:42pm UTC](https://discuss.elastic.co/t/unable-to-start-elasticsearch-after-creating-cert-for-http-communication/175037 "2019-04-02T16:42:05Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![Gruido](https://avatars.discourse-cdn.com/v4/letter/g/a183cd/32.png) [@Gruido](https://discuss.elastic.co/u/Gruido)\
**Post date:** [April 4, 2019, 6:19pm UTC](https://discuss.elastic.co/t/unable-to-start-elasticsearch-after-creating-cert-for-http-communication/175037/14 "2019-04-04T18:19:26Z")

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So I instead used postman for header authorization.

another question is that I'm testing on GCE and was wondering how I could assign an external ip for testing purposes for development? Would I need to install gcp plugin or could I assign ip address of vm instance?

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