Course Overview
This course is designed to introduce aspiring cybersecurity professionals and network administrators to Nmap (Network Mapper), an essential tool for network exploration, security auditing, and penetration testing. Students will learn how to effectively use Nmap for various network tasks while understanding the underlying principles of network scanning.
Course Outline
Introduction to Nmap
What is Nmap and its importance in network security
Understanding ports and services
How Nmap Works
Nmap architecture and components
Understanding TCP/IP networking basics
Nmap’s scanning process and methodology
Host Discovery Techniques
TCP SYN/ACK scanning
UDP scanning methods
ICMP Scanning
ICMP echo (ping) scanning
ICMP timestamp requests
Advantages and limitations of ICMP scanning
Different Scan Types
TCP connect scan
TCP SYN (stealth) scan
UDP scan
Useful Nmap Switches
Timing options (-T)
Verbosity and debugging (-v, -d)
OS and version detection (-O, -sV)
Security Practices
Avoiding detection and reducing network impact
Best practices for secure scanning
Nmap Scripting Engine (NSE)
Introduction to NSE
Running basic scripts
By the end of this course, you will be able to:
Understand the fundamentals of network scanning and discovery
Effectively use Nmap for various network reconnaissance tasks
Interpret Nmap results and understand their implications
Apply appropriate scanning techniques for different scenarios
Understand and implement basic evasion techniques