netstat

• This program is mostly obsolete. Replacements:
• netstat -> ss
• netstat -r -> ip route
• netstat -i -> ip -s link
• netstat -g -> ip maddr

# Print network connections
netstat
netstat -rnv # Show the gateways

# Print all ports currently open and listening
netstat -tunlp
  # listening sockets (-l)
  # port number (-n)
  # TCP ports (-t)
  # UDP ports (-u)
  # display PID/Program name for sockets