Custom Domain With Wildcard Certificate

Questions
1

Can i use a wildcard certificate with Okta or do need to buy a custom certificate for the subdomain?

I’d like to use a subdomain like my.example.com where i have a wildcard cert for example.com

Thanks in advance!

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2

I also would like to know this

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3

Did you figure this out? I cannot get our wildcard working with the custom URL.

4

I haven’t found a solution. Are there any Okta support folks that could help us out?

5

https://support.okta.com/help/s/article/Error-The-specified-certificate-does-not-match-your-Custom-URL-Domain

I’m still sorting it out myself

6

Anyone figure this out?

7

I tested it in a dev tenant and it shows an error that the CN on cert much match the domain specified so I would assume at present wildcard certs are not supported. I note however that Okta Identity Engine (https://www.okta.com/okta-identity-engine/) has support for multiple branded subsidiaries so perhaps they will support it when that feature flag is GA

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8

Are you still receiving errors? These guides describe the process in depth and provide further insight.

https://help.okta.com/en/prod/Content/Topics/Access-Gateway/managing-certificates.htm
https://developer.okta.com/docs/guides/custom-url-domain/enable-the-custom-domain/