ipInterceptor

ipInterceptor is a TCP/UDP Trace utility that is especially useful for developers and administrators.
This program uses WinPCap Sniffer technology to capture packets. ipInterceptor then groups the corresponding send/recieve packets and presents them as conversations.
ipInterceptor is especially useful for Web Developers. It differs from HttpTracer in that it uses sniffer technology, while HttpTracer user Proxy technology.
ipInterceptor is very easy to use and will prove a useful tool.
Here are some key features of "ipInterceptor":
ï¿­ Trace TCP/UDP Packets on your workstation.
ï¿­ View packets in a logical sequence, with requests and responses grouped into conversations (showing the resulting response times).
ï¿­ Set filters for tracing.
ï¿­ View headers and data in text or HEX format.
Requirements:
ï¿­ WinPcap
Limitations:
ï¿­ 25 days trial
ï¿­ Once the trial period is over, it will continue to run, but will not capture packet data (just header info).