Generally speaking, the goal is to steal sensitive information by targeting vulnerable websites or stealing cookies. In brief, malicious users intercept the data flowing on a user’s machine or a server and can listen to every piece of information being passed through the network. Hackers can have various end goals for launching this attack, they may either silently observe data packets or impersonate a user and modify the data they send or receive. The attackers usually insert themselves between a conversation, usually occurring among a web server and an application. To do this, click View > Name Resolution and select “Resolve Network Addresses.Man – in – the – middle – attack is a very common type of cyber attack which involves eavesdropping on a network connection. The details of the highlighted packet are displayed in the two lower panes in the Wireshark interface.Ī simple way to make reading the trace easier is to have Wireshark provide meaningful names for the source and destination IP addresses of the packets. The packets are presented in time order, and color coded according to the protocol of the packet. If Wireshark isn’t capturing packets, this icon will be gray.Ĭlicking the red square icon will stop the data capture so you can analyze the packets captured in the trace. This gives you the opportunity to save or discard the captured packets, and restart the trace. Shark fin with circular arrow: If this is green, clicking it will stop the currently running trace.If Wireshark isn’t capturing packets, this icon will be gray. Square: If this is red, clicking it will stop a running packet capture.Shark fin: If this is blue, clicking it will start a packet capture. If Wireshark is capturing packets, this icon will be gray.

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