Nmap (Network Mapper) is a powerful open-source tool used for network exploration and security auditing. It allows you to discover hosts, services, and vulnerabilities on computer networks. Nmap uses raw IP packets to determine which hosts are available on a network, what services those hosts are offering, and various other information.
Nmap is available for various operating systems including Windows, macOS, and Linux. Follow these steps to install Nmap:
nmap. If the installation is successful, you should see the Nmap version and a list of available options.
Nmap offers a wide range of scanning techniques and options. Here are a few examples of basic Nmap usage:
nmap -p port target_ip
nmap -p- target_ip
Nmap provides several advanced scanning techniques and features. Some examples include:
nmap -sV target_ip
nmap -O target_ip
nmap -sC target_ip
nmap -sU target_ip
nmap --script script_name target_ip
Nmap allows you to customize the output and generate reports. Some useful options include:
nmap -oN output.txt target_ip
nmap -oX output.xml target_ip
nmap -oX output.xml && xsltproc output.xml -o report.html
Nmap is a versatile and powerful network scanning tool that can assist in network exploration, security auditing, and vulnerability assessment. By mastering its various scanning techniques and options, you can gain valuable insights into the security posture of your network or target systems.