# Dex Not Starting With SSL

**URL:** <https://discourse.openondemand.org/t/dex-not-starting-with-ssl/2719>\
**Category:** Get Help\
**Created:** [May 25, 2023, 7:48pm UTC](https://discourse.openondemand.org/t/dex-not-starting-with-ssl/2719 "2023-05-25T19:48:04Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jeff.ohrstrom](https://sea1.discourse-cdn.com/flex015/user_avatar/discourse.openondemand.org/jeff.ohrstrom/32/136_2.png) [@jeff.ohrstrom](https://discourse.openondemand.org/u/jeff.ohrstrom)\
**Post date:** [May 26, 2023, 2:09pm UTC](https://discourse.openondemand.org/t/dex-not-starting-with-ssl/2719/3 "2023-05-26T14:09:42Z")

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This may help.

> [@Unknown certificate authority when using openondemand-dex](https://discourse.openondemand.org/t/unknown-certificate-authority-when-using-openondemand-dex/1083):
>
> I am trying open ondemand v1.8 with dex authentication but I see an “Internal Server Error” when trying to access and the log shows: messages:Aug 26 10:44:52 ood ondemand-dex: http: TLS handshake error from 10.2.0.4:34412: remote error: tls: unknown certificate authority I have obtained a certificate with letsencrypt (full script to do this is here: [Azure-OnDemand/setup-https-certificate.sh at master · edwardsp/Azure-OnDemand · GitHub](https://github.com/edwardsp/Azure-OnDemand/blob/master/azod-slurm/scripts/setup-https-certificate.sh)) The certificate works ok in the webpage and previously wi…

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