ACTIVE RECONNAISSANCE:USING NMAP FOR INFORMATION GATHERING!!!
Open source tool Nmap is a popular choice amongst hackers and security pros. It is the first choice to perform active reconnaissance. WHAT IS RECONNAISSANCE?? The word reconnaissance is borrowed from its military use, where it refers to a mission into enemy territory to obtain information.In computer reconnaissance generally means the act of knowledge gathering by hackers.It involves the act of scanning a machine for open ports and services associated with them. LETS START! Nmap is the most popular tool used by hackers for reconnaissance.It comes inbuilt in Kali linux and Parrot Security OS. If you are using any other Linux based OS like Ubuntu, you can install it by sudo apt-get install nmap To check if nmap has been installed type ' nmap ' and press Enter. { Do this in root ( try ' sudo -i ' ) } ...