# \#ca-certificate

**URL:** https://forums.docker.com/tag/ca-certificate/142.md

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## [Error pulling image configuration: tls: failed to verify certificate: x509: certificate signed by unknown authority](https://forums.docker.com/t/error-pulling-image-configuration-tls-failed-to-verify-certificate-x509-certificate-signed-by-unknown-authority/149634)

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**Author:** [@jankiex](https://forums.docker.com/u/jankiex)\
**Replies:** 4\
**Last updated:** [September 3, 2025, 6:47am UTC](https://forums.docker.com/t/error-pulling-image-configuration-tls-failed-to-verify-certificate-x509-certificate-signed-by-unknown-authority/149634 "2025-09-03T06:47:31Z")

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Hello, I am currently trying to install Vaultwarden on a Debian 12 VM (HyperV). First I got the following error message with curl -fsSL https://get.docker.com -o get-docker.sh && sudo sh ./get-docker.sh curl: (60) SSL…

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## [Failed to authorize - gitea when pushing an image - failed to verify certificate](https://forums.docker.com/t/failed-to-authorize-gitea-when-pushing-an-image-failed-to-verify-certificate/145037)

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**Author:** [@eliassal](https://forums.docker.com/u/eliassal)\
**Replies:** 7\
**Last updated:** [November 21, 2024, 8:05pm UTC](https://forums.docker.com/t/failed-to-authorize-gitea-when-pushing-an-image-failed-to-verify-certificate/145037 "2024-11-21T20:05:20Z")

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I m trying to push an image to private repos/registry a follows docker push https://gitea.cnoe.localtest.me:8443/giteaadmin/ubuntu:24.04 I get The push refers to repository \[gitea.cnoe.localtest.me:8443/giteaadmin/ub…