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2013-12-05_tcpflow-and-BE-update

2013-12-05_tcpflow-and-BE-update

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<strong>tcpflow</strong> underst<strong>and</strong>s packets so you don’t have to.We think of TCP as a stream-based protocol:HTTP Request“GET /hello.txt HTTP/1.1”HTTP responseHTTP headersHTML contentBut connections are made up of packets:1SYN :80:58221 ACK234SYN/ACK :80“GET /hello.txt HTTP/1.1”DATA :80TCP 3 wayh<strong>and</strong>shake:58221resp5:58221“Hello World!”FIN67FIN :8025

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