About Wireshark and tshark
Wireshark is a graphical application for analyzing network traffic of almost any kind. Nevertheless, there are times that you need something lighter that you can execute remotely without a graphical user interface. In such situations, you can use tshark, which is the command-line version of Wireshark.
In order to help you find the network data you really want, Wireshark and tshark have support for capture filters and display filters.
Capture filters are the filters that are applied during network data capturing; therefore, they make Wireshark discard network traffic that does not match the filter. Display filters are the filters that are applied after packet capturing; therefore, they just hide some network traffic ...
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