hi, i have a domain name : jenkins-subdomain.com , which is never used outside the company and cannot be reached from the public Internet. [image] is it possible to generate certificate in my case please ?

For small use cases of just a few machines, something like minica or (as mentioned above) step-ca may be what you want, where you make a CA, load the root certificate into the trust store on devices that will be using your internal systems, and issue your own certificates for your servers. For some…

Public Certificate Authorities only certify public names. So while the name needs to be public, the server doesn't need to be. If there's an actual domain name, with public DNS, then one can use the DNS-01 Challenge of creating a TXT record to prove control of the name. This generally works best wh…

Please see Certificates for localhost - Let's Encrypt

thanks for your answer, then you need to look at making your own private CA, rather than trying to use the public WebPKI. => private CA do you have some suggestions please ?

I'm not sure how this thread just popped up for me. If this is for https://www.jenkins.io/ the CI server, I strongly suggest you consider using the DNS-01 challenge to leverage the ISRG Public Roots and not a Private CA. Configuring things to work with Jenkins, and vice versa, is not very fun. B…

How to generate an SSL certificate for a internal-only domain that’s not on the Internet?

Help

Bruce5051 July 8, 2024, 6:34pm 5

Please check this thread out Local Domain certs with Let's Encrypt CA - #9 by danb35

Topic		Replies	Views
Internal domain with internal DNS Help	4	268	March 28, 2026
SSL certificate for a internal-only domain that's not on the Internet? Help	7	93484	February 4, 2017
How to create certs for internal-use servers that use "real" domains Help	1	790	October 10, 2018
Create a certificate for internal domian Help	8	429	June 25, 2025
Local Domain certs with Let's Encrypt CA Help	13	21617	January 23, 2024

How to generate an SSL certificate for a internal-only domain that’s not on the Internet?

Related topics