This short tutorial walks you through cracking WPA2 networks which use pre-shared keys using the aircrack-ng suite of tools to assess WI-FI network security. All of the necessary tools come preinstalled with the Kali Linux distribution.

This cheat sheet is based on Beej’s Guide to Network Programming and summarizes the basics of network programming in C using <sys/socket.h>. I have uploaded an example server.c and client.c programm if you want to have a look.