How To Use Wireshark Basics

How to use wireshark filters.

How to use wireshark basics. The most basic way to apply a filter is by typing it into the filter box at the top of the window and clicking apply or pressing enter. Wireshark does two things. You can also tell if the packet is part of a conversation. That s where wireshark s filters come in. Wireshark i eth0 k you can also use the shark fin button on the toolbar as a shortcut to initiate packet capturing.

It captures the packets and it presents them to you in a user friendly way. A new window will pop up. Once the program is launched select the network interface to capture and click on the. When you start typing wireshark will help you autocomplete your filter. So to start a packet capture click on the capture option icon the one with the gears.

These are referred to as display filters. For example type dns and you ll see only dns packets. Filters can also be applied to a capture file that has been created so that only certain packets are shown. The packet list the top pane is a list of all the packets in the capture. You can also start wireshark by using the following command line.

Capture filters instruct wireshark to only record packets that meet specified criteria. Once you click this button wireshark will start the live capture process. When you click on a packet the other two panes change to show you the details about the selected packet.