Port Scanner
Scan your IP address to identify open ports and potentially vulnerable services. Get security recommendations to protect your network.
Important Notice
This tool scans your own IP address only. Scanning IPs you don't own may violate computer crime laws. By using this tool, you confirm you're scanning your own IP.
Your IP Address
216.73.216.180
What is Port Scanning?
Port scanning is the process of checking which network ports on a computer are accepting connections. Each port can run a different service - like web servers (80), email (25), or databases (3306).
Understanding which ports are open on your IP helps identify potential security risks. Attackers often scan for open ports to find vulnerable services.
Port Status Explained
The port is accepting connections. A service is listening and responding.
The port is reachable but no service is listening. This is generally good.
A firewall or filter is blocking the connection. The port status is unknown.
Common Ports and Their Uses
22 - SSH
Secure remote access. Keep protected with key-based authentication.
80 - HTTP
Web traffic (unencrypted). Should redirect to HTTPS.
443 - HTTPS
Secure web traffic. Normal for web servers.
3306 - MySQL
Database port. Should NOT be exposed to internet.
3389 - RDP
Remote Desktop. High attack target - use VPN instead.
445 - SMB
Windows file sharing. Never expose to internet.
Security Best Practices
Use a Firewall
Configure your firewall to only allow necessary ports. Block everything else.
Use VPN for Remote Access
Instead of exposing RDP or SSH directly, use a VPN for secure remote access.
Keep Services Updated
Regularly update all services running on open ports to patch security vulnerabilities.
Monitor Regularly
Run port scans periodically to ensure no unauthorized services are exposed.
Frequently Asked Questions
Why can I only scan my own IP?
Port scanning IPs you don't own may violate computer crime laws in many jurisdictions. We restrict scanning to your own IP to ensure legal and ethical use of this tool.
Are open ports always dangerous?
Not necessarily. Web servers need ports 80 and 443 open to function. The key is to only expose ports that are necessary and ensure those services are properly secured and updated.
Why are some ports "filtered"?
Filtered ports are being blocked by a firewall, either on your router, your ISP, or your device. This is usually good - it means the firewall is working to protect you.