Quick Port Scanner

Scan open ports on any host using pure bash. No nmap, no Python, no dependencies.

Works on any Linux system with bash. Uses /dev/tcp pseudo-device or nc (netcat) as fallback.

Actions

scan — Scan specific port

{ "action": "scan", "host": "192.168.1.1", "port": 22 }

Returns: { "host": "192.168.1.1", "port": 22, "open": true, "service": "ssh" }

common — Scan top 20 common ports

{ "action": "common", "host": "example.com" }

Scans: 21,22,23,25,53,80,110,143,443,445,993,995,1433,1521,3306,3389,5432,5900,8080,8443

full — Custom range scan

{ "action": "full", "host": "10.0.0.1", "start": 1, "end": 1024 }

Use Cases

• Network troubleshooting: "Is port 443 open on my server?"
• Security audit: "What ports are exposed?"
• Deployment check: "Is the new service listening on the right port?"
• Docker networking: "Can container A reach container B on port 3306?"

Pricing

$2.99 — One-time purchase