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Network Flow Analysis by Michael W. Lucas

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Chapter 3. VIEWING FLOWS

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You have sensors transmitting data, and your collector is writing that data to disk. Now what? Flow-tools provides several programs for viewing flow data, generating statistical analysis, and generating reports. You'll start by displaying the data in the flow files.

Using flow-print

Flow files contain tightly packed binary data, and viewing a flow file with cat or more will scramble your terminal. To view flow data, you should use flow-print.

Each flow file contains header information that identifies the host that exported the data, the capture time, and so on. When you need to view multiple flow files, you should strip out ...

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