NMAP PORT SCAN, OS DETECTION , SOFTWARE DETECTION AND HOST ACTIVE - Cyber security & Technology

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Sunday, May 27, 2018

NMAP PORT SCAN, OS DETECTION , SOFTWARE DETECTION AND HOST ACTIVE





Using nmap:1)Find open ports on a system. 2) Find machines which are active. 3) Find the version of remote OS on other systems 4) Find version of s/w installed on other system.

Concept: Nmap is  Network mapper,a software which helps to do all these operations such as version detection , port scaning , firewall detection etc.

Demo:

1.    Finding s/w detection







2.    Finding TCP open ports




3.    OS detection by using nmap –A 127.0.0.1 command







4.    Active host / machine on system.




  Tools: 

·       Fing

·       Angry Ip scanner

·       Softperfect Network Scanner-Netscan

·       Wireless Network Watcher

·       WinMTR

·       Skipfish

·       Advanced Port Scanner

Resources:

These are commands which perform various operations.

        Open ports for tcp command nmap -p 1-65535 -T4 -A -v 10.72.83.18

        Software detection command nmap -sV -T4 -F 127.0.0.1

        OS detection command nmap -A 127.0.0.1

        Find active host nmap -n -sn 127.0.0.1

        https://www.youtube.com/watch?v=kvsGvBk5xnY&t=193s nmap basic commands
https://www.youtube.com/watch?v=Zv24eCZatek OS detection tutorial

https://nmap.org

https://en.wikipedia.org/wiki/Nmap

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