this post was submitted on 18 Mar 2025
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Selfhosted

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Self-hosted SSO (midwest.social)
submitted 23 hours ago by sxan@midwest.social to c/selfhosted@lemmy.world
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What are you folks using for self-hosted single sign-on?

I have my little LDAP server (lldap is fan-fucking-tastic -- far easier to work with than OpenLDAP, which gave me nothing but heartburn). Some applications can be configured to work with it directly; several don't have LDAP account support. And, ultimately, it'd be nice to have SSO - having the same password everywhere if great, but having to sign in only once (per day or week, or whatever) would be even nicer.

There are several self-hosted Auth* projects; which is the simplest and easiest? I'd really just like a basic start-it-up, point it at my LDAP server, and go. Fine grained ACLs and RBAC support is nice and all, but simplicity is trump in my case. Configuring these systems is, IME, a complex process, with no small numbers of dials to turn.

A half dozen users, and probably only two groups: admin, and everyone else. I don't need fancy. OSS, of course. Is there any of these projects that fit that bill? It would seem to be a common use case for self-hosters, who don't need all the bells and whistles of enterprise-grade solutions.

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[–] mongoose@lemm.ee 5 points 7 hours ago* (last edited 7 hours ago)

FreeIPA + Keycloak

FreeIPA includes Kerberos so the SSO extends to Linux logins. Further, Keycloak supports Kerberos so if I'm logged in on an FreeIPA enrolled client Keycloak is transparent with no additional password. Thus, anything I can goes through Keycloak, otherwise manual LDAP to FreeIPA.

FreeIPA also handles most of my homelab's DNS and honestly was not too hard to setup. I'm running it in a Alma Linux VM on Proxmox so it will be supported for a while.