O'Reilly logo

Kali Linux Network Scanning Cookbook by Justin Hutchens

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

UDP scanning with Scapy

Scapy is a tool that can be used to craft and inject custom packets into a network. In this specific recipe, Scapy will be used to scan for active UDP services. This can be done by sending an empty UDP packet to destination ports and then identifying the ports that do not respond with an ICMP port-unreachable response.

Getting ready

To use Scapy to perform UDP scanning, you will need to have a remote system that is running network services over UDP. In the examples provided, an instance of Metasploitable2 is used to perform this task. For more information on how to set up Metasploitable2, refer to the Installing Metasploitable2 recipe in Chapter 1, Getting Started. Additionally, this section will require a script to be written ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required