Target Configuration
Examples: 192.168.1.1, 10.0.0.0/24, example.com, 192.168.1.1-20
Quick Presets
Scan Type
Port Configuration
Detection & Enumeration
Timing Template
NSE Scripts
Additional Options
Generated Command
Elevated privileges requiredsudo nmap [options] <target>Legal Notice
Only use nmap on systems you own or have explicit written permission to scan. Unauthorized port scanning may be illegal in your jurisdiction.
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Frequently Asked Questions
Common questions about the Nmap Command Builder
Nmap (Network Mapper) is a free, open-source network scanner used to discover hosts and services on a network. It sends specially crafted packets and analyzes responses to determine open ports, running services, operating systems, and other network characteristics.
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⚠️ Security Notice
This tool is provided for educational and authorized security testing purposes only. Always ensure you have proper authorization before testing any systems or networks you do not own. Unauthorized access or security testing may be illegal in your jurisdiction. All processing happens client-side in your browser - no data is sent to our servers.