Port Scanner

Scan common network ports and services for connectivity.

Browser Limitations

This tool has limited capabilities due to browser security restrictions
Only HTTP/HTTPS ports can be reliably checked
Most ports will show as "filtered" rather than definitively open/closed
For comprehensive port scanning, use dedicated tools like nmap
Only scan systems you own or have permission to test

Port Scanner

Check if ports are open on a target host

Hostname or IP Address

Open – Port respondedClosed – Connection refusedFiltered – No response / blockedChecking – Testing port