Nmap
Network discovery and security auditing tool
⭐ 4.8/5 (12000 reviews)
About Nmap
Nmap is a free and open-source network scanner used for network discovery, security auditing, and port scanning by security professionals worldwide.
Key Features
- Host discovery and port scanning
- Service and version detection
- OS fingerprinting
- Nmap Scripting Engine (NSE)
- Output in multiple formats
- Zenmap GUI available
✅ Pros
- Industry standard network scanner
- Extremely versatile
- Free and open-source
- NSE scripting is powerful
❌ Cons
- Command-line focused
- Can trigger IDS alerts
- Scan speed vs. accuracy tradeoffs
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