How to use Nmap (Beginner Tutorial)

Nmap (“Network Mapper”) is a free and open source (license) utility for network discovery and security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime

First Download nmap From Here and install in your pc

How to Detect All Connected PC in Network

nmap -sn 192.168.0.100/24

How to Scan Network Exclude a Specific Host

nmap –exclude 192.168.0.108 192.168.0.1/24

How to Detect Installed OS in Remote PC

nmap -O 192.168.0.102

How to Scan All TCP Port in All Remote PC

nmap -sT 192.168.0.100/24

How to Scan All UDP Ports in Remote PC

nmap -sU 192.168.0.102

How to Scan IP Protocol

nmap -sO 192.168.0.102

How to Detect services of Remote PC

nmap -sV 192.168.1.2

How to Scan Name Server of Website

nmap -sV -T4 -F www.upscportal.in