Perform Sniffing using Wireshark in Kali Linux

Step1: Run the Kali Linux in root user mode. Type the command wireshark.

Step 2: Double click on eth0 option.

Step 3: Goto firefox and type testfire.net. We will get the testfire website. Sign in using Username as admin and password as admin.

Step 4: Now go to the already opened wireshark window and write http in the search bar (filter bar) and click enter. Double click on HTTP POST /dologin HTTP/1.1 from the list. Login details are displayed on the bottom of the screen. We can also see login details by clicking on HTML From URL Encoded on the bottom left corner.