Check Port Status with Netstat

To check the status of ports, you can use the netstat command. Here are some common options for the netstat command:

1. Show the TCP port status using netstat -t.
2. netstat -u: displays the status of UDP ports.
3. netstat -l: displays the status of listening ports.
4. netstat -a: displays the status of all ports.
5. netstat -n: display port numbers and IP addresses in numerical form
6. netstat -p: Displays the program names using ports.

One option is: For example, to check the status of all TCP ports, you can use the following command:

netstat -t

To check the status of all UDP ports, you can use the following command:

netstat -u

To check the status of all listening ports, you can use the following command:

netstat -l

To check the status of all ports, you can use the following command:

netstat -a

To display all port numbers and IP addresses in numerical format, you can use the following command:

netstat -n

To show the name of the program using a port, you can use the following command:

netstat -p

These commands make it easy to view the status of ports and which programs are using them.