Port Scanner

Check for open ports on your server or firewall. Scanning common TCP ports.

Frequently Asked Questions

What is a Port?

A port is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. For example, web servers normally use port 80 (HTTP) and 443 (HTTPS).

Why is it important?

Scanning for open ports helps you verify that your firewall is configured correctly and that you aren't exposing unnecessary services to the internet.