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=Zv24eCZatek OS detection tutorial
https://nmap.org
https://en.wikipedia.org/wiki/Nmap
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