NMAP: How You Find Things on Network - A Guide
1. What Is NMAP?
NMAP is tool for looking in network. You can see computers, ports, much things.
2. How Use NMAP?
You want to know how use? Here steps:
Find Computers: For see what is on network, you use:
nmap -sn 192.168.1.1/24
Open Ports Find: To check open ports, like 80 and 443, you do:
nmap -p 80,443 192.168.1.1/24
What Runs on Ports?: For knowing what runs on these ports, try:
nmap -sV -p 80,443 192.168.1.1/24
More Detail with Scripts: For more information, scripts can be use:
nmap --script=http-enum 192.168.1.1/24
3. Must Be Careful (Security)
You must have permission for looking in network. Like you not look in neighbor's window, not look in neighbor's network.
Install here: https://nmap.org/download.html