Kali Linux Intrusion and Exploitation Cookbook

Discovering ports over the network

In this recipe, we will use the list of active IPs we scanned and saved in the file to perform information gathering, the purpose will be to scan them for open ports on those IPs. We will be using nmap and its features to discover open ports.

Getting ready

We will use the nmap tool to detect open ports on the IP. Let's start with the process of detecting the open ports over a specific IP.

How to do it...

For this recipe, you will need to perform the following steps:

1. We will run nmap by typing the following command in terminal:

   nmap <ip address>
   

   The output will be as shown in the following screenshot:

   

2. We can even check ...