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Possible Duplicate:
Monitor all and any internet traffic from my home PC - what should I use?

I know there is a program called Live HTTP Headers for Firefox. Then there is ieHTTPheaders for Internet Explorer.

I knew another good program – someone told me, but I forgot. That program could display traffic for all programs, not just IE and Firefox.

What is it?

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marked as duplicate by slhck Jul 27 '12 at 9:48

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 2 down vote accepted

Wireshark for Windows and Linux. Remember to install WinPcap.

Tcpdump for Linux console.

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