Port Scanner

Check which ports are open on a given host. Quickly verify firewall configurations, confirm services are listening, or troubleshoot connectivity issues — all from your browser.

Example uses:

Verifying a web server is listening on port 443, checking if SSH (port 22) is exposed, testing firewall rules after changes, or confirming a database port is properly restricted.

Port Scanner

Check if specific ports are open or closed on any server. Select which ports to scan below.