WIRESHARK

Wireshark is one of the many tools Network Analyzer which is widely used by network administrators to analyze network performance. Wireshark is much preferred because of the interface that uses a Graphical User Interface (GUI) or a graphical display.As the name suggests, Wireshark can capture packets of data / information in a network that we are milling about "voyeur". All types of packet protocol information in various formats will be easily captured and analyzed. Thus not infrequently this tool can also be used for sniffing (to obtain important information such as email passwords or other account) by capturing packets are milling about in the network and analyze it.To use this tool was fairly easy. We simply enter the command to get information that we want to capture (who wants to obtain) from our network.