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every IP connect to my WebService - why ?

Posted By:      Posted Date: April 10, 2011    Points: 0   Category :ADO.Net
i have WebService in Computer1  his IP is ``  (IIS-7 on Windows-7 64bit)
i try to connect from Computer2 like this:
``  ->>  and i connect
i try this:
``  ->>  and i connect too !!!
the WebService stay in `C:\Inetpub\wwwroot` and i made him installation.
why if i try to connect with wrong IP i get connected ?
thanks in advance

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