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IDS and IPS with Snort 3
book

IDS and IPS with Snort 3

by Ashley Thomas
September 2024
Beginner content levelBeginner
256 pages
6h 24m
English
Packt Publishing
Content preview from IDS and IPS with Snort 3

7

Packet Decoding

Packet decoding is the process of inspecting and interpreting the various protocol headers in a network packet. Every network packet consists of various encapsulation headers in addition to the data that it carries. When Snort analyzes an HTTP request packet, it performs decoding of all the protocol layers that encapsulate the HTTP request, starting from the outermost layer and working its way to the innermost layer – Ethernet, IPv4, and TCP. Each of these headers deals with various aspects of the communication – for example, the Internet Protocol (IP) header deals with aspects of sending the packet from one host (IP address) to another host (IP address), whereas the transport protocol header deals with ensuring reliable, consistent ...

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Publisher Resources

ISBN: 9781800566163Supplemental Content