Open Port Checker
Verify that a service is reachable from the internet after configuring a firewall or deploying a server. Only common service ports on public hosts are supported.
How to use the Open Port Checker
- 1Enter a public host.
- 2Select the port.
- 3See whether it is open.
Open Port Checker FAQ
The port is closed, filtered by a firewall, or the service is not listening on the public interface.
No. Only public internet hosts can be checked.