Howtos / Articles

View listening TCP ports on Windows

This guide shows you how to view a list of all the listening TCP ports on a Windows machine. This is useful for knowing if a service is listening on a specific port, or if you need to know if a specific port is available to use for something like a web server. View all listening TCP ports on Windows: Open the command prompt. Run the following command: netstat -an | find “LISTENING” | more Example output: TCP 0.0.0.0:80 0.0.0.0:0…

Read more [...]

Common Database Server Port Numbers

Its always good to have a firewall set up to prevent users from accessing services they shouldn’t have access to, however this usually means that you need to explicitly allow specific ports and protocols to allow users to access services they need to access. One such service would be a database server. Below is a list of protocols and port numbers for some of the more common database engines in use nowadays. Please ensure that access to these services from…

Read more [...]