Basic Nmap Port Scan

nmap is powerfull and free port scanner. we can use it to handle our server.and this is popular portscanner. you can install on your server :

~ sudo apt-get install nmap => for ubuntu
~ yum install nmap => CentOS

nmap is :

- Powerful scaner
- Portable scanner
- Easy scanner
- Free scanner

and here will learn abot cheet sheet of nmap.
Oke lets go to learn :

[#] scan for Target specification

hostname
~ nmap google.com

Ip adress or range IP
~ nmap 192.168.1.1/24

[#] Host discovery

for detect up or down
~ nmap -sP 192.168.1.4

and advanced from it is :
~ nmap -PN 192.168.1.4

[#] Port scanning techniques

Tcp connect scan
~ nmap -sT 192.168.1.4

Udp scan
~ nmap -sU 192.168.1.4

[#] Service and version detection

Version Detection
~ nmap -sV 192.168.1.4

OS detection
~ nmap -o 192.168.1.4

[#] simple and powefull command

-A gressive same as -O -sV -sC --traceroute
~ nmap -A 192.168.1.4

it all just basic of scaning nmap.
and you can get all command ' man nmap '

RTFM :)
thankz.
./logout

Posted by Unknown on Monday 4 March 2013 - Rating: 4.5

Title : Basic Nmap Port Scan
Description : nmap is powerfull and free port scanner. we can use it to handle our server.and this is popular portscanner. you can install on your server...

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