Both jsp and servlet has nothing to do in your situation because all they are executed on server side and you need information about client system. So a few google search provides something to think about.
2) Some further research claims that it is possible using ActiveX Object. But remember that browser threats ActiveX objects in a special way for security reasons. User or System default may disable ActiveX Objects, so they are not trustworthy in my opinion. But you may want to give a try :
Hope this is not for something like single sign on.
Joined: Nov 14, 2008
First of all thak you so much for your reply.
The thing is that I don't want form based authentication,since that is overhead of typing the login information again. But I am sure