nmap Linux
// Installation
sudo apt-get install nmap
// Usage
nmap 127.0.0.1 // Simple TCP Scan
nmap 127.0.0.1 -p- // TCP Scan of all ports
sudo nmap -sU 127.0.0.1 // UDP Scan
sudo nmap 127.0.0.1/24 // Entire Network Scan
nmap 127.0.0.1 -p 22 // Scan only port 22
nmap 127.0.0.1 -p 22-80 // Scan ports 22 to 80
Shiny Stoat