Hi,

I guess this logout call is triggered by the
DelegatedAuthenticationClientLogoutAction. I don't think you can disable
that without the appropriate customisation.
Thanks.
Best regards,
Jérôme


Le ven. 17 avr. 2020 à 09:57, Robert Li <[email protected]> a écrit :

> Hello, I encounter SLO issue with Azure AD as IDP with CAS 6.1.4.
>
> I have a few CAS client applications which must use front channel logout
> to support SLO.  In my testing, if login through the default CAS id/pwd UI,
> SLO worked as as expected.  However, if I use delegated Azure AD as IDP,
> the logout will just performed the Azure AD logout. In the debug, the
> frontLogout step in the logout flow was executed. However, the rendered
> content was not sent back to the browser. I guess it was overwritten by the
> Azure logout step which is useign the setting of azure.logoutUrl.
>
> I tried to removed below setting, but it had no effect (which I could see
> now the code just reconstruct it anyway)
> cas.authn.pac4j.oidc[0].azure.logoutUrl=
> https://login.microsoftonline.com/39469cf7-e1da-410f-be47-95ee748cdb9c/oauth2/v2.0/logout
>
> In our business case, it is actually not desirable to perform the Azure
> Logout, due to applications SSOed with CAS are viewed as different suit to
> Office 365 suit. So after sign-out from CAS, we expected to see Office 365
> still logged-in.
>
> Are there any setting that allows me to skip the azure.logoutUrl and
> performed the front_channel logout instead? I am using CAS 6.1.4 at this
> point, but I can use any CAS 6 version if necessary.
>
> Appreciated your attention.
>
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