network-mapping

• It used to identify hosts, open ports, and services running in a network

• Understand network structure, routers, gateway, and segmentations

Mapping network

traceroute 192.168.1.1
netdiscover -r 192.168.1.0/24
arp-scan -l
ip route show
nmap --traceroute -sn 192.168.1.0/24

1 Port Scanning

nmap -p- 192.168.12.3
nmap -p 22,80,443 192.168.12.3
masscan 192.168.12.0/24 -p0-65535 --rate=10000

2 Service and Version

nmap -sV 192.168.12.3
nmap -sC -sV 192.168.12.3

3 OS Detection & Traceroute

nmap -O 192.168.12.3
nmap --traceroute 192.168.12.3

Notes

• Use sudo for full scan

• Use -Pn if ICMP is bloacked

• These are GUI based Tools used to scan the network

  • zenmap

  • autorecon