On ti, 07 kesä 2022, Bret Wortman via FreeIPA-users wrote:
I'm trying to create a wildcard certificate to use with some elasticsearch ECE 
systems and it's not working quite right yet. I found Fraser's blog at 
https://frasertweedale.github.io/blog-redhat/posts/2017-02-20-freeipa-wildcard-certs.html
 and followed the directions there. After installing the cert chain on my ES 
servers, when I connect over the web I'm getting an SSL_ERROR_BAD_CERT_DOMAIN 
error, even though the cert contains:

Subject Name
 Organization  OUR.NET 201804300753
 Common Name  *.elastic.our.net

Issuer Name
 Organization  OUR.NET 201804300753
 Common Name  Certificate Authority

Validity
 Not Before  Tue, 07 Jun 2022 14:48:08 GMT
 Not After  Fri, 07 Jun 2024 14:48:08 GMT

Subject Alt Names
 DNS Name  zsece01.our.net
 DNS Name  zsece02.our.net
 DNS Name  zsece013our.net

:

I've tried including elastic.our.net as an alt name too and it didn't prevent 
the error. What am I missing?

You need to have dnsName: *.elastic.our.net in the SAN as well. Most
browsers stopped looking into CN already for CAs from the root CA list
but recently Firefox and Chrome also applied this to private CAs as
well.


--
/ Alexander Bokovoy
Sr. Principal Software Engineer
Security / Identity Management Engineering
Red Hat Limited, Finland
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