Chapter 1. Introduction

NetDiff is a network reporting tool written in perl that runs nmap portscans of a specified network or networks and stores the results to a MySQL database. It can then report the differences between successive scans, giving administrators a snapshot view of recent changes on their network.

This report is very useful for network maintenance and monitoring, it will automatically let you know when:

Additionally, if version and OS scanning is enabled, the report will list those differences as well, telling you if: