In order to identify anomalous or malicious traffic in a network, it’s necessary to first understand what’s normal. This course discusses the fundamentals of networking, including the OSI model, the differences between TCP, UDP and ICMP and their intended uses, and the purposes of common high-level protocols like HTTP and SMTP.
Fundamentals of NetworkingDuration: 56:50
This video covers the fundamentals of networking and the purposes of various low-level and high-level networking protocols.
Meet the author
Howard Poston is a cybersecurity researcher with a background in blockchain, cryptography and malware analysis. He has a master's degree in Cyber Operations from the Air Force Institute of Technology and two years of experience in cybersecurity research and development at Sandia National Labs. He currently works as a freelance consultant providing training and content creation for cyber and blockchain security. He can be reached by email at email@example.com or via his website at https://www.howardposton.com.
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