nmap

Find UDP/TCP services on local network (slow)

nmap -p- -sT -sU 192.168.1.0/24

Find services on port 3030 in local network (quick)

nmap -p 3030 192.168.1.0/24

Find services on common ports

nmap -sV 192.168.1.0/24

Find services on ALL ports

nmap -p- -sV <target>

Timeout to speed up

--host-timeout 2s