I don't understand very well how Struts manages session objects and why a sessionID is fixed for a user ? Session objects are stored on the web server (Tomcat in my case) and cookie saved on the disk allows to retrieve the HttpSession associated to a user. But I don't understand how the cookie is created and why is it associated to a client ? How Struts creates the session cookie ? I read that the cookie object is created when a user first loads a web page that is a part of the application. But at this stage what distinguishes a user X from a user Y ? In my application I distinguish two users with authentication information but when the first page is displayed the authentication is not done. How Struts know that it is a new user and that it has to create a new HtppSession and a new cookie? Is a user (and so a cookie) associated to a user NT account ? I am not certain to have been rather clear Thanks in advance for your help. Sandra
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