![]() Basic network knowledge includes recognizing TCP and UDP traffic and knowing about DNS. The term “basic understanding” means different things to different people, but the knowledge does not have to be extensive.įor example, readers should know the difference between a public IPv4 address and an internal, nonroutable IPv4 address. Wireshark users must have a basic understanding of network traffic, and this series of tutorials focuses on IPv4 traffic. In this tutorial, we use Wireshark version 4.0.7. We recommend at least version 3.6.2 or later. Recent versions have more features, capabilities and bug fixes than older versions. If possible, review pcaps using the most recent version of Wireshark for your environment. ![]() For this tutorial, we use the Xubuntu Linux distro. Pcaps from Windows infections may contain malicious binaries that present a risk of infection when using Wireshark on a Windows computer. We recommend using a non-Windows environment like BSD, Linux or macOS. Web Traffic and the Default Wireshark Column DisplayĮxporting Your Updated Configuration Profile ![]() It was first published in August 2018 and has been updated for 2023. This article is the first in a series of Wireshark tutorials that provides customization options helpful for investigating malicious network traffic. Wireshark’s default column display provides a wealth of information, but you should customize the columns to meet your specific needs. What makes Wireshark so useful? It is very customizable. Security professionals also use Wireshark to review traffic generated from malware. IT professionals use this tool to investigate a wide range of network issues. Wireshark is a free protocol analyzer that can record and display packet captures (pcaps) of network traffic.
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