tldr/pages/linux/netstat.md

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# netstat
> Displays network-related information such as open connections, open socket ports, etc.
- List all ports:
`netstat -a`
- List all listening ports:
`netstat -l`
- List listening TCP ports:
`netstat -t`
- Display PID and program names:
`netstat -p`
- List information continuously:
`netstat -c`
- List routes and do not resolve IP to hostname:
`netstat -rn`
- List listening TCP and UDP ports (+ user and process if you're root):
`netstat -lepunt`
- Print the routing table:
`netstat -nr`