Open Port Checker | Firewall & Network Test
Check your external IP for open ports. Test port forwarding rules and firewall configurations for security.
Open Port Checker | Firewall & Network Test
Open Port Checker scans your public IP address to see if specific ports are accessible from the internet. This is crucial for gamers, server admins, and security conscious users.
Why Check Ports?
- Server Hosting: Verify that your game or web server is reachable.
- Security Audit: Ensure you haven't accidentally left sensitive ports (like RDP 3389) open.
- Firewall Testing: Confirm that your router is correctly blocking unwanted traffic.
Enter a port number to test connectivity instantly.
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