Nmap (Network Mapper) is a security scanner. It was originally written by Gordon Lyon (also known by his pseudonym Fyodor Vaskovich). This tool is particularly used to discover hosts and services on a computer network. While finding the hosts and services it creates a “map” of the network. For this reasom it has been widely called ‘Nmap’ or you can also call it ‘Network Mapper’. It is regarded as an essential tool in your pursuit to be a good and competent ethical hacker.
To get the best results, Nmap usually sends specially crafted packets to the target host and then analyzes the ...
