This quick reference cheat sheet provides various for using netstat command.
All connections on port 80
$ netstat -anp | grep :80
Netstat Help
$ netstat -h
| Option | Example |
|---|---|
netstat -ltunp |
All Listening ports |
netstat -ltn |
Listening TCP ports |
netstat -lun |
Listening UDP ports |
netstat -lx |
Listening Unix ports |
| Option | Example |
|---|---|
netstat -a |
All connections |
netstat -at |
All TCP connections |
netstat -au |
All UDP connections |
| Option | Example |
|---|---|
netstat -s |
Display statistics |
netstat -st |
Display TCP statistics |
netstat -su |
Display UDP statistics |
| Option | Example |
|---|---|
netstat -i |
Show network interfaces |
netstat -ie |
Show network interfaces extended info |
| Option | Example |
|---|---|
netstat -r |
Show routing table |
netstat -rn |
Show routing table, don't resolve hosts |