How to do it...

The following is the recipe for using firewalk:

  1. If firewalk is not found, we can install it using:
        apt install firewalk
  1. We can use the following command to run firewalk:
        firewalk -S1-23 -i eth0 192.168.1.1 192.168.10.1   

The following screenshot shows the output of the preceding command: