Server Port Status & Diagnostic Scanner
Check the status of common network ports on your server to verify firewall rules and configurations.
Diagnose Firewall and Server Access
Configuring firewalls or deploying web servers requires verifying that ports are open to accept incoming connections. Our port status scanner provides a quick diagnostic tool for common network services.
Verify Service Accessibility
Test standard ports like HTTP (80), HTTPS (443), SSH (22), FTP (21), and databases (3306) to identify connection issues or firewall blocks.
Key Benefits & Features
Common Port Presets
Includes diagnostic presets for web, databases, and secure transfer services.
Security Audits
Helps identify open ports that could expose servers to attacks.
Instant Connection Tests
Provides real-time diagnostic checks in seconds.
How to Use the Port Status Scanner Step-by-Step
This utility runs entirely inside your browser using client-side JavaScript. We prioritize your security: none of your inputted text is logged or stored.
- 1
Enter your server target hostname or IP address.
- 2
Select standard common ports to scan.
- 3
Click "Start Port Scan".
- 4
Review connection status and configure firewall rules accordingly.
Practical Examples
Host: example.com, Ports: [80, 443]
Frequently Asked Questions (FAQ)
How does the port scanner test connections?▼
The tool performs a diagnostic socket connection check to determine if the target server port is accepting connections.
Does scanning ports trigger security alerts?▼
Scanning open ports is standard network diagnostic practice, but scanning large blocks of private networks may be flagged by security monitors.
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