Is there a way of not using cookies or "customized" url's? (servlets+jsp)

Hi there.
I'm wondering if there's an already implemented way of establishing a session without using cookies or url withs session id variables. Maybe it's possible uging IP to know wich computer is connected along with something else.

Actually, I don't hace any requierements to use only IP but I'm learning to develop web apps in general and this is a doubt I've been having for a while.
I guess IP+browser+screen res.+something else could work.
Someone would possibly want to use this so the browser user, even with some skills wouldn't know he's being tracked.
Maybe I have this doubt because I always hear about all the tracking done by companys for several purposes. But I'm not sure.
Anyway, all this started when I started reading about sessions and users loging in.
Now. My real doubt is: What kind of tracking should be used and how should it be done?

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If anyone has been helpful to you, please show your appreciation by clicking the button inside of their post. Please click here and read, along with the threads to which it links, for helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions.
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Is there a way of not using cookies or "customized" url's? (servlets+jsp)

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