TCP Spy .NET is a small application used to trace TCP packets between a client and a server. Optimized for .NET Web Services or Web Site TCP Spy .Net will help you find any bottleneck and it will help you in analyzing your bandwidth usage. With TCP Spy .Net, you can inspect data in different views, track server calls or just redirect the host....
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Support for TCP Spy .NET Professional Edition is available from the
publisher/developer site 
This download (TCP Spy .NET Professional Edition) is shareware. "Shareware is a marketing method for computer software. Shareware software is typically obtained free of charge, either by downloading from the Internet or on magazine cover-disks. A user tries out the program, and thus shareware has also been known as "try before you buy". A shareware program is accompanied by a request for payment, and the software's distribution license often requires such a payment." More info at
Wikipedia.
Soft32 (ITNT) cannot be held liable for issues that arise from the download or use of these software products. We encourage you to determine whether this software or your intended use is legal. Even if we try to check the program files for viruses, we cannot guarantee 100% that they are clean. For your own protection always check downloaded files for viruses, spyware and malware.