[keycloak-user] Logout not send k_logout requests

[Peter Skopek]

Hi Qing Zhang,
what keycloak adpter is your client using?
It will help if you can share your client (even partially).

Regards,
Peter

On Tue, Sep 3, 2019 at 9:54 AM 张庆 <zqzq71 at shu.edu.cn> wrote:
>
> Hi Guys,
>
>
> I am using keycloak for several application single sign on solution. Keycloak works well in SSO, but I have troubles in single logout.
> According to document [https://www.keycloak.org/docs/latest/securing_apps/index.html#logout] and other answers in mailing list. from my understanding, single logout will need following steps:
>
>
>  app a in http://172.17.0.1:5000 -> client_a
>  app b in http://172.17.0.5:3000 -> client_b
>  keycloak in http://172.17.0.2:8080
>
>
>  1. add admin_url for each client (just like following settings)
>    * Client Protocol: openid-connect
>    * Access Type: confidential
>    * Root URL: http://172.17.0.1:5000/
>    * Valid Redirect URls: http://172.17.0.1:5000/*
>    * Base URL: http://172.17.0.1:5000/
>    * Admin URL: http://172.17.0.1:5000/
>
>
>  2. Logout by redirect brower to http://172.17.0.2:8080/auth/realms/myrealm/protocol/openid-connect/logout?redirect_uri=http://172.17.0.1:5000/
>
>
>  3. All client sessions for user in current browser will be destroyed and keycloak will send logout signal (k_logout) to each client (admin_url), each client recieve the logout signal to remove user login info
>
>
> In my experiment, by watch keycloak Manage/Sessions page, when the browser redirect to keycloak logout url, all session for current user have been destroyed, but app a and b do not recieved k_logout request. But if I direct click  "logout all" button in Manage/Sessions page, all sessions have been destroyed and both app a and b recieved k_logout request. By redirect to logout url, the sessions have been destroyed, but not send logout signal each application still login status. What am I misunderstanding? Is there any detail example for single logout? I expect that user click logout in app a and all application in same realm logout together.
>
>
> Another trouble is the client I used is openid-client which not implemented k_logout, how should I handle k_logout request, is there any document for handle k_logout?
>
>
>
>
> Thanks
> Qing Zhang
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