Netstat Command: Uses & Options

The netstat command is used to display network connections, routing tables, and network interface information. It provides a way to monitor active network connections.

Run the netstat command using the following command format.

netstat [options]

Common options for the netstat command include:

1. – Show the connections and listening ports for all activities.
2. – Show only TCP connections.
3. -u: Display only UDP connections.
4. -n: display the address and port number in numerical form.
5. -p: Displays the process/program associated with the connection.
6. -r: Display the routing table.
7. -s: display network statistics.
8. Display only listening ports.
9. -e: display additional information, such as Ethernet frames, MTU, etc.
10. – c: Continuously display output.

Here are some common examples of the netstat command:

1. Show all connections and listening ports for activities.

netstat -a

1. Display only TCP connections.

netstat -t

1. Show only UDP connections.

netstat -u

1. Display the address and port number in numeric form.

netstat -n

1. Display the processes/programs associated with the connection.

netstat -p

1. Display routing table.

netstat -r

1. Display network statistics.

netstat -s

Here are some common options and examples for the netstat command. You can choose the appropriate options based on your specific needs when using the netstat command.