# x509 certificate issue, building on BalenaOS device, pushing to registry hosted in EC2

**URL:** <https://forums.balena.io/t/x509-certificate-issue-building-on-balenaos-device-pushing-to-registry-hosted-in-ec2/55934>\
**Category:** openBalena\
**Tags:** support\
**Created:** [January 10, 2020, 1:36pm UTC](https://forums.balena.io/t/x509-certificate-issue-building-on-balenaos-device-pushing-to-registry-hosted-in-ec2/55934 "2020-01-10T13:36:22Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![DistgenAl](https://avatars.discourse-cdn.com/v4/letter/d/cdc98d/32.png) [@DistgenAl](https://forums.balena.io/u/DistgenAl)\
**Post date:** [January 14, 2020, 5:50pm UTC](https://forums.balena.io/t/x509-certificate-issue-building-on-balenaos-device-pushing-to-registry-hosted-in-ec2/55934/12 "2020-01-14T17:50:32Z")

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For anyone who comes across this, there is a reference in [Using real (not self-signed) certificates](https://forums.balena.io/t/using-real-not-self-signed-certificates/4371/24) around Mar '19. I haven’t actually worked out how to use that information, but it’s there.

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