Thanks William for your advice..

Now, I know that When a CAS session ends, it will callback to each of the 
services that are registered with the system and send a POST request

But I do not have enough information , for example, the post request is in xml 
,so I donot know if I have to write my own code to read it and expire session, 
or that would work fine for casifyed applications without any additional 
work... and what about non casifyed applications?

-----Original Message-----
From: William G. Thompson, Jr. [mailto:[email protected]] 
Sent: 28 ديسمبر, 2011 06:32 م
To: [email protected]
Subject: Re: [cas-user] Problem implementing sso

Proxy Tickets only come into play if the "main site" is interacting with 
"forum" site via backchannel https calls.  The CAS server is not normally 
checked for every request.  Application session management is the 
responsibility of the application.

That being said, you should take a look Single Sign Out (aka Single Log out) to 
achieve the behavior you've described:

https://wiki.jasig.org/display/CASUM/Single+Sign+Out

Best,
Bill


On Wed, Dec 28, 2011 at 6:24 AM, Amr Mohamed Mahmoud Hassanien 
<[email protected]> wrote:
> Dear All,
>
>
>
>             We are using cas for SSO between two application and we 
> implemented it in a way that one application is the main site and the 
> other is casified (forum) so that the user has to log in to the main site 
> first.
>
> The problem is if the user logouts about from The main site (which 
> means from CAS as well), he stay logged in to the other casified 
> site(forum)
>  because the CASFilter keeps the CASReceipt in the session and never 
> checks with cas server whether the user still logged in or not.
>
>
>
> I have considered implementing proxy granting ticket in casifying the 
> secondary app (forum), thinking that this way, cas server will be 
> checked with every request the (forum) receive.
>
>
>
> Please Advise if proxy granting ticket could be really a solution for 
> that, because if it is a solution I have more questions to ask J.
>
>
>
> Regards,
>
> Amr Hassanin
>
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