Online Port Scanner & Socket Exposure Inspection
Inspect open network ports on your domain non-destructively. Check standard HTTP, HTTPS, SSH, SMTP, and database socket exposure safely.
Why Use N-Map Port & Socket Scanner?
N-Map Port & Socket Scanner provides instant, browser-based execution designed for developers, security professionals, and everyday web users. Built with high-performance client-side and ephemeral server algorithms, it delivers production-grade results without requiring user registration, software downloads, or subscription fees.
How to Use N-Map Port & Socket Scanner
- Provide the target domain or public IP address.
- Select standard port range (Web, Mail, SSH, Database).
- Review responsive ports and service banner identification.
- Close unnecessary open ports to harden your firewall configuration.
Key Features & Security Standards
Client-Side & In-Memory Privacy
All computations, transformations, and string manipulations execute in your local browser memory or isolated ephemeral worker instances with zero permanent disk persistence.
Zero File or Data Retention
Your sensitive files, JWT keys, credentials, and code snippets are never shared, logged, or indexed. Data is automatically flushed as soon as your browser tab closes.
100% Free & Unlimited Usage
No credit cards, sign-ups, subscriptions, or watermarks. All N-Map Port & Socket Scanner features are accessible without rate limitations or intrusive paywalls.
Frequently Asked Questions
Which standard ports are tested?+
Ports 80 (HTTP), 443 (HTTPS), 22 (SSH), 21 (FTP), 25 (SMTP), 3306 (MySQL), 5432 (PostgreSQL), and 8080 (Web Proxy).
Why should unnecessary ports be closed?+
Open unused ports provide potential attack surfaces for attackers to exploit unpatched service vulnerabilities.
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