Once you've successfully installed Wireshark on your system, you can begin to familiarize yourself with it. Now you finally get to open your fully functioning packet sniffer and see . . . absolutely nothing!
The fact is, Wireshark isn't very interesting when you first open it. In order for things to really get exciting, you have to get some data.
Your First Packet Capture
In order to get packet data into Wireshark, you'll perform your first packet capture. You may be thinking, "How am I going to capture packets when nothing is wrong on the network?" There are two things wrong with this statement. The first thing is that there is always something wrong on the network. If you don't believe me, then go ahead and send an email ...