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SSO

 
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Hi,
How does Single Sign On (SSO) works in J2EE application server?
Thanks
 
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Well, there seems to be no standards for single sign-on, yet, but as far as I know, the common approach is to deploy a single point of authentication information against which all services authenticate their users. In other words, many appservers, one user database.
 
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Tomcat has a very simple SSO option. Add just a line in the server.xml configuration file and all of your web apps should benefit of the SSO.
Remeber that this is a container-specific feature.
For more infos check:
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/config/host.html#Single%20Sign%20On
Regards,
 
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I can atleast tell you how u can implement in Sun ONE platform.Usually you need to install policy agents on all the servers(ex SunONE web servers) where the web resources reside.Once a HTTP request comes to these servers and these servers delegate the authentication process to SunONE Identity Server(it is like Netgreity) and once authenticated the Identity Servers passes on a token to the response and using the same token the user can access all other domains.
 
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