1 Standard usage of Nmap

Standard Usage of Nmap

Introduction to Nmap

Nmap means Network Mapper and is an open-source tool used for network discovery and security auditing. It is widely used by system administrators and penetration testers to map networks, identify active hosts, and detect open ports and services.

Basic Scanning Commands

Scanning a Single Host

nmap 192.168.1.1

This command performs a basic scan on the target IP address.

Scanning a Range of IPs

nmap 192.168.1.1-100

Scanning a Subnet

nmap 192.168.1.0/24

Scanning a Specific Port

nmap -p 80,443 192.168.1.1

Scanning All Ports

nmap -p- 192.168.1.1

Service and Version Detection

Detecting Running Services

nmap -sV 192.168.1.1

Detecting Operating System

nmap -O 192.168.1.1

Aggressive Scanning

nmap -A 192.168.1.1

Stealth and Performance Tuning

Using SYN Scan (Stealth Scan)

nmap -sS 192.168.1.1

Fast Scan Mode

nmap -F 192.168.1.1

Using Timing Options for Faster Scanning

nmap -T4 192.168.1.1