1. Wireshark software download
Here is a download link for Lanzuo Cloud:
https://wwix.lanzoue.com/iEklv11klvje
Password: 4g0n
2. Use Wireshark software to capture packets
After installing the software, double-click to open it. First, select your filter method. My computer is connected to WiFi, so I chose this method.
After clicking to run, he can start to capture packets. If he thinks that the capture is enough, click to stop capturing packets.
You can perform protocol filtering on these packets, etc. We can directly search for the protocol we want to capture here.
The following is the analysis of some fields
