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tcpdump fu

Dec 21, 2011, 13:00 (0 Talkback[s])
(Other stories by Henry Van Styn)

"Packet capture is one of the most fundamental and powerful ways to do network analysis. You can learn virtually anything about what is going on within a network by intercepting and examining the raw data that crosses it. Modern network analysis tools are able to capture, interpret and describe this network traffic in a human-friendly manner.

tcpdump is one of the original packet capture (or "sniffing") tools that provide these analysis capabilities, and even though it now shares the field with many other utilities, it remains one of the most powerful and flexible.

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