Port Scanner
Check common ports on a domain or hostname
Only scan hosts you own or have permission to scan. Unauthorized port scanning may be illegal in your jurisdiction.
Scan Configuration
Scanning...
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Total Scanned
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Open Ports
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Closed Ports
| Port | Service | Status |
|---|
Custom Port Scan
What is a Port Scanner?
A Port Scanner is a network tool that probes a server or host for open ports. Each port on a computer corresponds to a specific service or protocol. By scanning ports, you can determine which services are running and accessible on a target system.
Common Ports Scanned
- Port 21 (FTP): File Transfer Protocol for uploading/downloading files.
- Port 22 (SSH): Secure Shell for encrypted remote access.
- Port 80 (HTTP): Standard web traffic.
- Port 443 (HTTPS): Encrypted web traffic (SSL/TLS).
- Port 3306 (MySQL): MySQL/MariaDB database server.
- Port 5432 (PostgreSQL): PostgreSQL database server.
- Port 8080 (HTTP-Alt): Alternative HTTP port often used for proxies.
Frequently Asked Questions
Is port scanning legal?
Scanning ports on systems you own or have authorization to test is generally legal. Unauthorized port scanning of third-party systems may violate laws in your jurisdiction.
What does "filtered" mean?
A filtered status means the scanner couldn't determine if the port is open or closed because a firewall or filter is blocking the probe.
Can I scan custom ports?
Yes. Use the "Custom Port Scan" section to enter specific port numbers separated by commas or newlines.