Network Port Checker

Port 80: HTTP (Web Server)
Port 443: HTTPS (Secure Web)
Port 21: FTP (File Transfer)
Port 22: SSH (Secure Shell)
Port 25: SMTP (Email Sending)
Port 53: DNS (Domain Name)
Port 3389: RDP (Remote Desktop)

Enter an IP address or hostname and a port number to check if the port is open or closed.

Important: Due to browser security restrictions, this tool simulates port checking.

Target IP or Hostname:

Port Number:

Common Ports