In computer networks, to share resources and exchange data in an orderly manner, some pre-agreed rules must be followed. These standards or agreements established for data exchange in the network are called network protocols, abbreviated as protocols. To enable efficient transmission between computers, a layered approach is adopted, similar to how people collaborate to complete … Read more
1. Phenomenon Description: The user cannot connect to the network, and the local connection icon in the system tray shows an exclamation mark indicating that the IP is restricted. 2. Cause Analysis 1. Many users do not understand TCP/IP and do not know how to set parameters such as “IP address”, “subnet mask”, and “default … Read more
Click the above Computer Enthusiasts to follow us Yesterday, a friend asked me how to completely prevent unauthorized access to my Wi-Fi. Today, I will focus on Wi-Fi encryption and the issue of unauthorized access, discussing what methods can effectively eliminate this problem. Choosing the Right Encryption Mode is Crucial The first line of defense … Read more
Compiling eBPF Programs on Android Pixel 6: Hiding Processes and Changing MAC Addresses Background Previously, I found an interesting repository on GitHub called bad-bpf. After some effort, I finally managed to compile it successfully on my phone, achieving the effects of replacing text and hiding processes as described in the repository. Other functionalities have not … Read more