Hi Neils and Ycrux,<br><br> <div class="gmail_quote">On Thu, Mar 13, 2008 at 6:44 AM, Niels Provos <<a href="mailto:provos@citi.umich.edu">provos@citi.umich.edu</a>> wrote:<br> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"> <div class="Ih2E3d">On Wed, Mar 12, 2008 at 2:40 PM, Ycrux <<a href="mailto:ycrux@club-internet.fr">ycrux@club-internet.fr</a>> wrote:<br>>  We can have the case that multiple clients use the same IP address.<br> >  Hashing this IP will produce the same digest.<br><br></div>The way that this is done usually with HTTP is to set a session cookie<br>on the client.   The client then echos the cookie back and everything<br>is good.</blockquote> <div> </div> <div>Yes, it works. However, when several FireFox browsers are running at the same host</div> <div>or tabs within the same FF or tabs within IE-7,8, they will all share the same cookie,</div> <div>that may be an issue to handle.</div></div> <div> </div> <div>Sincerely,<br>Robert Iakobashvili<br>"Light will come from Jerusalem"<br>...........................................................<br><a href="http://curl-loader.sourceforge.net">http://curl-loader.sourceforge.net</a><br> An open-source web testing and traffic generation. </div>