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How to properly setup local certificate authorities for sub domains? (lemmy.world)

submitted 8 months ago by kylian0087@lemmy.world to c/selfhosted@lemmy.world

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Hello everyone,

A bit of background on how things are configured: I have many local services and am in the process of setting up two local domains, namely local1.publick.com and local2.publick.com. I own the domain name publick.com and manage it through Cloudflare.

Local1 is for the Windows domain and is using Active Directory, while local2 is for the Linux domain and is using RHEL IDM.

Now, as I am also exploring Single Sign-On (SSO) with Keycloak and a few other things, I would like to properly set up SSL for all these subdomains. Can I configure two local certificate authorities? One for local1.public.com and another for local2.publick.com? I would then use these to create certificates for service.local1.publick.com and service.local2.publick.com. Since the AD domain controller and RHEL IDM controller are authoritative for these two domains, can I still integrate two CAs with this setup?

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[–] TCB13@lemmy.world 1 points 8 months ago (1 children)

Still easier whats to setup that than what's described. Even the Certbot tool is able to setup it up with a simple command.

[–] Hexarei@programming.dev 1 points 8 months ago

Certbot also does DNS challenge, fwiw