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Re: One User login at time in perl cgi

by sundialsvc4 (Monsignor)
on Sep 06, 2011 at 17:21 UTC ( #924436=note: print w/ replies, xml ) Need Help??

in reply to One User login at time in perl cgi

The problem here is that HTTP is a completely stateless protocol.   Someone can close their browser or completely turn-off their machine, or a cosmic-ray can go zipping through some circuit-board somewhere, or anything at all can happen such that “the user is now gone,” and there is nothing in this world that will tell you that this has occurred.   A user’s browser could crash, for any reason or for no reason at all, and now that user is locked out of your application.

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