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I just run iptraf to see many UDP traffic on eth0. How can I check which applications do the most network traffic? (Like iptraf but at application level)

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what O/S? Guess Linux if your IFs are called ethX –  Alnitak Nov 27 '09 at 23:14
Linux (ArchLinux) –  Alexandru Nov 28 '09 at 14:37

2 Answers 2


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You could try Network Probe at


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