If you're interested in understanding how things work, my recommendation is
to read:
http://www.jasig.org/cas/protocol

It pretty much explains everything.  If you have questions after reading
that, please let us know.

Cheers,
Scott


On Tue, Jun 30, 2009 at 1:02 PM, deanhe01 <[email protected]> wrote:

>
> I am looking for clarification on the timeout dependency chain on the
> ST/TGT/ProxyTickets
>
> My limited understanding of the sequence of events is(happy path...not the
> unhappy one):
>
>    User Hits a CAS protected page for the first time
>    User is redirected to the CAS login page
>    User Credentials are submitted to CAS
>    CAS generates a TGT
>    CAS generates a ST
>    CAS authenticates USER
>    ST is validated
>    User is redirected to the original URL
>
> Now, the user is merrily skipping along through the application...
>
>   User accesses a service that requires a proxy ticket
>   The application uses the TGT to grab a proxy ticket
>   Proxy ticket is supplied to the service
>   The service validates the PT
>   User is happy and continues skipping along through the app
>
> Let's say the Service Ticket times out  i.e. the SSO session expires.
>
>   The user accesses a service that requires a proxy ticket
>   The application attempts to use the TGT to acquire a proxy ticket.
>   When the SSO session expires, all associated tickets are expired as well,
> correct?
>   The user will be asked to log in again and a new ST and TGT will be
> provided by CAS.  It is the
>   application's responsibility to manage this scenario.
>
>
> Default Service SSO session expiration time == TGT expiration time?
>
> Final question:
>
>   Proxy Ticket is granted.
>   TGT expires before Proxy Ticket is used
>   Proxy Ticket is invald and the service being proxied will not validate
> the PT?
>
> Thanks,
>
> Dean
>
> --
> View this message in context:
> http://www.nabble.com/Looking-for-Clarification-on-ST-TGT-ProxyTicket-timeouts-tp24275776p24275776.html
> Sent from the CAS Users mailing list archive at Nabble.com.
>
>
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