Linux Security Quick Reference (1-2 pages)

A comprehensive 10-page Nmap reference guide covering target specification, host discovery, port scanning techniques (SYN, TCP, UDP, stealth scans), service and OS detection, Nmap Scripting Engine (NSE) with 25+ essential scripts, firewall/IDS evasion techniques, timing and performance optimization, output formats, practical scan scenarios, and security best practices. Includes quick reference tables, command comparisons, and real-world scan workflows. Perfect for penetration testers, network administrators, and cybersecurity professionals.

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