Chapter 1

Introduction

Abstract

This chapter provides an overview of traditional and passive network mapping. The chapter introduces the concept of Python Passive Network Mapping (P2NMAP) and examines the pros and cons of such an approach. The chapter also examines some of the dangers and pitfalls of active network scanning, especially in critical infrastructure based environments.

Keywords

Python
Passive
Network
Mapping
Nmap
Zenmap
ping
icmp
tcpdump
echo
reply

“Measure what is measurable, and make measurable what is not so.”

Galileo Galilei

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