Download Nmap 5.20

Nmap is a program for exploring and monitoring a network. It is designed to scan a large network without delays, and also runs smoothly on a single host. The program uses so-called ‘raw ip packets’ to retrieve active hosts and information about the available services. More information about the possibilities can be found at this page. The developers have released version 5.20 and provided it with the following announcement:

Nmap 5.20 Released

Happy new year, everyone. I’m happy to announce Nmap 5.20–our first stable Nmap release since 5.00 last July! It offers more than 150 significant improvements, including:

• 30+ new Nmap Scripting Engine scripts
• enhanced performance and reduced memory consumption
• protocol-specific payloads for more effective UDP scanning
• a completely rewritten traceroute engine
• massive OS and version detection DB updates (10,000+ signatures)

The Nmap 5.20 source code and packages for Linux, Mac, and Windows are available for download at the usual place.

Go give it a try! And if you find any bugs, let us know on nmap-dev (