Once you click that, you will see (with some of the window omitted) what is shown in figure 2: It is easily accessed by clicking the icon at the top left of the main window.
The type of filter controls what type of traffic is captured, and disregards all non-matching traffic. The first type of filter we will discuss is the capture filter. I just want to show the difference in a more visual way, ‘cause some people learn better that way! For my screenshots, I will be using what is (at the time of this writing) the latest version, which is 1.12.3. Today I will discuss two ways to filter in Wireshark: display filter and capture filter.ĭon’t get me wrong – Wireshark is well documented.
When running a full-bore packet capture session, you may find that data are accumulating quite rapidly and likely you are obtaining much more than you want to look at. Since we don’t live in a perfect world, I wanted to demonstrate a little piece of the freely downloadable network packet sniffer called Wireshark. In a perfect world, there would be no need to monitor network traffic looking for interlopers.
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