Monthly Archives: July 2011

Tcpdump

Posted on July 8, 2011 by

tcpdump – to dump the network traffic in Linux platforms. Format: “tcpdump <options> <expressions>” · By default, ‘tcpdump’ will dump traffic on first found lowest numbered interface from the list and continues to dump packets unless a stop signal is … Continue reading →

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TCP-IP

Posted on July 1, 2011 by

Five layers of TCP-IP protocol are; Physical layer : deals with how bits are identified and transmitted, voltage values etc Data-link layer: how the device on medium is identified and how it is accessed or shared and how the frame … Continue reading →

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