Re: [keycloak-user] [Conception] how to define a suitable realm
Well, it is an ABAC (attribute-based access control) system. You can use a
single realm and add an attribute let’s say X with value Y that is
requested by AppA and AppB. Then, you add this attribute to all users that
need access to AppA and AppB. The same for your case of AppB and AppC.
Also, bear in mind OpenID Connect and SAML are not just single sign-on
tools. They are federated systems protocols. In a federation, you can have
multiple SP and IdP. There is nothing that forbids SPs to work with
multiple IdPs.
On Mon, Aug 13, 2018 at 9:46 AM, GARDAIS Ionel <
ionel.gardais(a)tech-advantage.com> wrote:
Hi list,
I have a question about the creation of the realms in Keycloak.
It may be SSO-101 but I can't figure the right answer.
As I understand it, a realm is a collection of clients sharing the same
policies.
A user logged from one client in a realm will be authenticated in all
other clients in the same realm.
Say I have 3 apps AppA, AppB and AppC.
I want a user to be SSO'ed with AppA and AppB (not AppC).
I also want a user to be SSO'ed with AppB and AppC (not AppA).
I guess I need a realm covering AppA and AppB and another realm covering
AppB and AppC.
However, most (if not all) clients I've seen only allow one IDP definition
thus forbids AppB to know both realms.
How to solve this ?
Regards,
Ionel
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