Of course, Wireshark is able to read all of your data, even sensitive data, but you tell Wireshark when to start and when to finish. Text traffic (like Telnet, or any unencrypted protocol)Īs you might guess, all of that is extremely useful when you want to troubleshoot network issues.

Among other things, Wireshark can capture: For example, if you send an email, it will see all the details, and see if you have effectively sent it. To say this in a different way, it can read everything you send and receive on a network. What does sniffing packets mean? Wireshark can capture network traffic on an interface, like your Ethernet interface or Wi-Fi interface. However, that’s what developers do: as network engineers, we will limit ourselves to just use Wireshark. Technically, it’s even more than that: you can modify its code and change the way it works, or extend its functionalities. In other words, it is free software: you can download and use Wireshark for free. WireShark is an Open Source Software for sniffing packets. Introducing the WireShark Tutorial What is Wireshark? Before everything else, we will give explain what is Wireshark. Then, we will see how to use it, how to sniff packets, how to store such packets, and how to read them.

First, we will start explaining how to download Wireshark for free, and how to install it on Windows/MAC/Linux. In this tutorial, we will explain to you how to use Wireshark from scratch. With this guide, you will learn how to use Wireshark to exactly find (and fix) your network problems. While cables don’t make data disappear, it is possible that some device is having problems. It’s like your file, stream, or any other kind of content disappears on the cable. Have you ever struggled in finding the problem of a network? There are times when data seems to simply not reach its destination.

Reading wireshark capture packets