The netstat command in Windows is a useful tool for IT and Cyber professionals for tracing connections to computers. https://mshub.co.uk/find-listening-ports-netstat-and-powershell/#:~:text=To%20narrow%20down%20the%20output,often%20more%20useful%20for%20analysis.
Tag: #ports
Open Ports in Windows
Here is a good article on checking for open ports in Windows. https://www.howtogeek.com/howto/28609/how-can-i-tell-what-is-listening-on-a-tcpip-port-in-windows/
RedHat List of Common Communication Ports
Here is an extensive list of the most common communication ports. https://web.mit.edu/rhel-doc/4/RH-DOCS/rhel-sg-en-4/ch-ports.html