http - Data send through a port

Question

My reuirement is to know the requests that are send from my computer while interaction in web. More specifically, when I communicate with different services in web, we share data. I need to know the data used in the transaction.

Can you let me know name of any application that can help me to do the same?

Thanks

Answer 1

I think you are looking for WireShark:

http://www.wireshark.org/

It captures all data that goes through the select ethernet device, which can be a lot, but it also provides the ability to filter out almost anything to reduce the noise.