How to use built-in netstat command-line utility In Computer Networks
Step 1: Open the command prompt.
Step 2: Run the following command:
netstat -an
How To Check Open TCP/IP Ports in Windows?
Certain apps and processes in Windows 10 can cause problems if you’re not properly connected to the internet. Firewalls can cause these connection issues when they cannot determine whether incoming and outgoing connections pose a threat. Work around this issue and open ports for incoming and outgoing connections. We will know to check whether a TCP port is open or closed on the Windows operating system.
Basically, many times we need to check the port status when any of the below issues results in closing the port.
- They may not be properly working.
- External IP addresses that are in use may be set to private IPs.
- Firewall rules may block the network.
There are several ways to check open TCP/IP ports in Windows. Here are a few options:
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