Dyskretny skaner sieciowy i mapownik portów
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Stealthy Network Scanner & Port Mapper

Stealthy Network Scanner

Browser-based port scanner using WebSocket & fetch API tricks

Ready to scan

How it works

This tool uses client-side JavaScript to probe target domains/IPs for open ports via fetch() and WebSocket connections. It runs entirely in your browser, making it stealthy against traditional firewall logs. Use responsibly and only on networks you own or have permission to test.

Target Configuration

to
Common ports (1-1024) All ports (1-65535)
Concurrent connections: 100 Timeout: 3000ms

Scan Statistics

0
Open Ports
0
Filtered
0
Closed
0
Scanned
Progress 0%
Open - Service detected
Filtered - No response (firewalled)
Closed - Connection refused

Scan Results

Port Status Service Banner / Response Protocol Response Time

No scan results yet. Configure your target and start a scan.

0 ports found

Scan Console

[SYSTEM] Stealthy Network Scanner initialized
[INFO] Ready to scan. Enter target and port range.
[INFO] Using browser-based fetch() and WebSocket techniques
[INFO] CORS restrictions may affect results on external domains

This tool is for educational and authorized security testing only. Unauthorized scanning of networks you don't own may be illegal.

Built with using vanilla JavaScript, WebSocket API, and fetch()