CASPER
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An IT-Forensic Examination of P2P Clients
The expression peer-to-peer is especially used within the field of data communication to describe communication or the direct exchange of data between equal units of a communication network, without involving a central computer. The expression “P2P” or file sharing is used for the same form of communication as well.
Apart from the above-mentioned, it may be added, that the users of file sharing programs are connected to each other in a larger network, that works more or less autonomously. As a consequence of this, it is not possible immediately after wards to carry out an investigation in this environment, since the communication lines are interrupted at log-out of the programmer and the connection is disconnected. This again means, that no log-outs are generated elsewhere, but only between the involved parties.
There are, however, several file sharing programmers that contain internal log files, which may give information about files downloaded earlier and which files have been available for sharing and so on.
(See attachment)
The expression peer-to-peer is especially used within the field of data communication to describe communication or the direct exchange of data between equal units of a communication network, without involving a central computer. The expression “P2P” or file sharing is used for the same form of communication as well.
Apart from the above-mentioned, it may be added, that the users of file sharing programs are connected to each other in a larger network, that works more or less autonomously. As a consequence of this, it is not possible immediately after wards to carry out an investigation in this environment, since the communication lines are interrupted at log-out of the programmer and the connection is disconnected. This again means, that no log-outs are generated elsewhere, but only between the involved parties.
There are, however, several file sharing programmers that contain internal log files, which may give information about files downloaded earlier and which files have been available for sharing and so on.
(See attachment)
