Protocol headers in intrusion analysis
One of the fundamental skills each cybersecurity professional needs to have is a foundation in networking. This section is not designed to be a full-fledged networking topic but rather to provide you with the essential skills needed to identify the components within various protocol headers.
Tip
If you are interested in building a solid foundation in networking, consider getting a copy of Implementing and Administering Cisco Solutions: 200-301 CCNA Exam Guide, published by Packt Publishing:
As you have read throughout this book, and even from experience, devices always transmit messages when they are connected to a network. Using a packet analysis tool such as Wireshark, you can analyze each field within the headers of each packet.
Ethernet frame
An Ethernet frame contains the source and destination MAC addresses...
