netstat
netstat is a network utility for Unix-like operating systems such as Linux, macOS, and Windows.
Statistics
All connections on port 80
$ netstat -anp | grep :80
Netstat Help
Listening
| Option |
Example |
netstat -ltunp |
All Listening ports |
netstat -ltn |
Listening TCP ports |
netstat -lun |
Listening UDP ports |
netstat -lx |
Listening Unix ports |
Connections
| Option |
Example |
netstat -a |
All connections |
netstat -at |
All TCP connections |
netstat -au |
All UDP connections |
Statistics
| Option |
Example |
netstat -s |
Display statistics |
netstat -st |
Display TCP statistics |
netstat -su |
Display UDP statistics |
Networks
| Option |
Example |
netstat -i |
Show network interfaces |
netstat -ie |
Show network interfaces extended info |
Routing
| Option |
Example |
netstat -r |
Show routing table |
netstat -rn |
Show routing table, don’t resolve hosts |