How to install nmap and use in termux full basic to advance 2022 | By H4Ck3R

What Is Nmap ?/*

Nmap :- Network Mapper , is a free open source tool for vulnerability scanning and for network discovery.

Most pentester and hacker use this tool to scan networks and to find vulnerability , and also discover hosts , ports, services etc

Nmap is mostly used by network administrator to identify what devices are running on their system s , discovering hosts , services , open ports and detecting security risks

Hackers use Nmap to find ?

Which systems are up ? 

Which services are running on these systems  ?

Nmap Uses ?

Requirements

Installation

Termux – apt install nmap

Arch – sudo pacman -S nmap

Kali Linux – sudo apt install nmap 

1. Download the latest version of Nmap in .tar.bz2 or .tgz  format from https://nmap.org/download.html
2. Decompress the downloaded file
3. bzip2 -cd nmap-<VERSION>.tar.bz2 | tar xvf –
4. cd nmap-<VERSION>
5. Configure :- ./configure

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Some basic code

Host Scanning

List Of Host 

nmap -sL targets 

Online Hosts Without Port Scanning

nmap -sn targets

Only ARP Scanning 

nmap -PR -sn targets

Discover Live Host

nmap -PE -sn targets [ PE – ICMP echo packets]

nmap -PP -sn targets [ PP- ICMP timestamp requests

nmap -PM -sn targets [ PM – ICMP address mask request ]

Ping Scanning

TCP SYN Ping Scan 

nmap -PS22,80,443 -sn targets [ It will scan only three ports ]

TCP ACK Ping Scan

nmap -PA22,80,443 -sn targets [ It will scan only three ports ]

UDP Ping Scan 

nmap -PU53,161,162 -sn targets [ It will scan only three ports ]

Ping A website 

nmap -sP www.google.com

It will show latency

Network Scanning

Local Network Scanning

nmap 192.168.1.1/24

it will scan local network and also some open ports

Aggressive Scanning 

nmap -A 192.168.1.1/24

it will provide some extra data . scan another website or scanme.nmap.org to learn

Port Scanning

Scanning A Single Port

nmap -p 80 192.168.1.1/24

80 ( its a HTTP port )

Scanning Multiple Ports

nmap -p 80,443 192.168.1.1/24 

If you find this port open then its a webserver

Quick Scan 

nmap -F 192.168.1.1/24

It’s faster than normal scan. ( Basic Information )

Nmap Version 

nmap -V

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Requirements

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