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Kali Linux Cookbook - Second Edition by Bob Perciaccante, Corey P. Schultz

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Performing a UDP port scan

Performing UDP scans against targets provides us with additional vectors of attacks. We are also going to add a couple of extra CLI options. We have also added to other command line options -r for randomize, which will help avoid detection by security devices such as IDS and IPS servers and the -v for verbose, allowing us to see action more quickly. This scan will take several minutes to run, so it's nice to know what it's doing while we wait:

nmap -sU -r -v 192.168.56.102 

You will see from the output that we did find a few UDP ports open that we can explore later:

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