NMAP is a opensource network mapper tools, which is used by most of the security professionals to enumerate open ports, applications available on a host in a network.
Before we dig deeper into NMAP, let us first discuss how to install it have our investigation.
Installing NMAP
To install NMAP use the following command
$ sudo apt install nmap
The above picture would tell you how NMAP installed successfully and the same can be confirmed by the following command
$ which nmap
The above command would give the location where the package is installed in your system.
Having NMAP installed is not the point I have started the post... I am going to run thru all the options/switches available in the command as subsequent posts...
As part of the tour with NMAP let us start the journey by scanning the localhost first...
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