Finding stuff on local network with nmap

nmap -p 22 192.168.1.0/24

Find all SSH ports

nmap -p 22 192.168.1.0/24 --open

Find open SSH ports

sudo nmap --script rtsp-url-brute -p 554,8554 192.168.1.0/24

Find RTSP camera on the local network

nmap -sp 192.168.1.0/24

Ping scan

nmap -p 1-65535 localhost --open

Scan open ports on local machine

nmap --top-ports 20 localhost

Scan most popular ports