Fantastic Ethertypes and Where to Find Them - Understanding Ethernet Protocols and Their Applications

Explore the magical and mysterious realm of ethernet protocols in this DEF CON 31 conference talk that ventures beyond TCP/IP to uncover fascinating ethertypes. Delve into obscure and interesting ethernet protocols, discovering where they exist in the wild, their practical applications, and potential security vulnerabilities. Through live demonstrations and comprehensive analysis, examine networking environments across industrial facilities, transportation systems, and medical settings. Gain deep insights into the hidden networking landscape that surrounds us daily, understanding both the boutique and ubiquitous ethertypes that power various systems and their implications for network security.