lsof.md

show open ports without resolving name

lsof -i -P

drawbacks of lsof

Need privs to see root processes's open ports

Better alternatives:

1. netstat -nalp
2. ss -lntp, ss -anp
3. cat /proc/net/tcp

Windows

netstat -ano  # show process id (last column)
tasklist /v | findstr <pid>