Some file sharing sites require registration, and once you do so, a 'token' is added on to the end of any torrent you access on that site. The token authenticates you and allows you to download - if someone else tried to use that torrent, the tracker would deny them access.
Ntuser.dat file in the user folder
A file named Ntuser.dat in the user's folder.
File sharing is based on user access, not device access. It is not possible to configure a computer to allow another computer to have access without also having a user account with sufficient privileges.
simple file sharing
Isuser.dat and Ntuser.dat depending on the OS.
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You have to disable "Use simple file sharing".
Mac OS X stores a user's System Preferences settings in the Preferences folder with the Library folder for the user's account. The screen sharing settings are stored in the preference file called com.apple.ScreenSharing.plist.
It enables the user to set more specific security access levels.
Type your answer here... Password cracker
by email address of the mailbox, by phone number linked when creating the user page.
ntuser.dat .... read the book