Nmap

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1. Nmap

Nmap is an open-source network scanner that is used to recon/scan networks. It is used to discover hosts, ports, and services along with their versions over a network. It sends packets to the host and then analyzes the responses in order to produce the desired results. It could even be used for host discovery, operating system detection, or scanning for open ports. It is one of the most popular reconnaissance tools.


To use nmap:

  • Ping the host with ping command to get the IP address 
    ping hostname
  • Open the terminal and enter the following command there: 
    nmap -sV ipaddress
  • Replace the IP address with the IP address of the host you want to scan.
  • It will display all the captured details of the host.

    nmap11

    nmap21

To know more, you can read more from here .

 

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