Port Scanner

Scan common ports to check for open services.

What is Port Scanner?

Port Scanner is a security diagnostic tool that checks which network ports are open on a target server or IP address. It helps identify running services, detect potential security vulnerabilities, and verify firewall configurations. This is essential for network administrators testing server security and troubleshooting connectivity issues.

Common Use Cases

  • •Security Audits: Check which services are exposed to the internet
  • •Firewall Testing: Verify that your firewall is blocking unauthorized ports
  • •Service Discovery: Identify what services are running on a server
  • •Troubleshooting: Diagnose why certain applications can't connect

How to Use

  1. 1.Enter a hostname or IP address (e.g., example.com)
  2. 2.Click "Scan" to check common ports (21, 22, 25, 53, 80, 443, 3306, 8080)
  3. 3.Review which ports are open or closed

Common Ports Scanned

21 - FTP (File Transfer)
22 - SSH (Secure Shell)
80 - HTTP (Web)
443 - HTTPS (Secure Web)