Chapter 1
Scanning Your First Targets
Section 3
Network Security Fundamentals
The aim of this video is to introduce some fundamental network security concepts that are needed to get a basic understanding of how Nmap works. - The first step is to talk about the OSI layer and how packets are exchanged between remote hosts. - Then we delve into analyzing the TCP and IP headers. - Finally, we walk though how the TCP SYN scan works.