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Scan open ports on a target host or IP address
Execution
Fill in the form, run the tool, and review the result in one place.
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Tool usage guide
The Port Scanner is a network utility designed to identify open TCP ports on a specific host or IP address, helping you verify service availability and assess network exposure.
Background
A developer just deployed a new website and needs to ensure the server is listening on standard HTTP/HTTPS ports.
Problem
Unsure if the firewall is blocking web traffic to the new server.
How to use
Input the server IP, select 'HTTP/HTTPS (80, 443)' from the ports menu, and run the scan.
Outcome
The tool confirms ports 80 and 443 are open, verifying that the web server is reachable.
Background
An application is failing to connect to a remote MySQL database.
Problem
Need to determine if the database port 3306 is open or if there is a network-level block.
How to use
Input the database host, select 'Database Ports' from the dropdown, and click scan.
Outcome
The scan shows port 3306 is closed, indicating a firewall or configuration issue on the database server.
An open port indicates that the target host is actively accepting connections on that specific port, meaning a service is likely running and listening.
A closed port means the host is reachable, but no application is currently listening for connections on that port.
The timeout determines how long the scanner waits for a response. A lower value speeds up the scan but may cause you to miss ports on high-latency networks.
This tool is optimized for common and well-known port ranges to ensure quick and reliable results for standard troubleshooting tasks.
You should only scan hosts or networks that you own or have explicit permission to test, as port scanning can be interpreted as unauthorized reconnaissance.