Security Testing: Nmap Security Scanning

Learn how to use Nmap for port scanning of systems and network devices. Discover how to install Nmap, configure scans, and interpret the output.

Introduction

• Scanning network ports with Nmap
• What you need to know before taking this course

1. Network Scanning

• TCP/IP networking
• IP addressing
• Network ports
• ICMP
• Network scanning
• Scanning and the law

2. Installing Nmap

• Installing Nmap on Windows
• Installing Nmap on macOS
• Installing Nmap on Debian and Ubuntu Linux
• Installing Nmap on Red Hat and Fedora Linux
• Building Nmap from source
• Testing your Nmap installation

3. Scanning with Nmap

• Running and interpreting a simple Nmap scan
• Scanning multiple systems
• Using Nmap with IPv6 addresses

4. Configuring Nmap Scans

• Host discovery with Nmap
• DNS options in Nmap
• TCP scanning with Nmap
• UDP scanning with Nmap
• Selecting ports to scan
• Scan timing

5. Fingerprinting Systems and Services

• Operating system detection
• Service version detection
• Scanning shortcut

6. Scan Output

• Formatting Nmap scan results
• Reviewing verbose Nmap output

7. Case Studies in Scanning

• Challenge: Probing servers
• Solution: scan1.certmike.com
• Solution: scan2.certmike.com
• Solution: scan3.certmike.com
• Solution: scan4.certmike.com

Conclusion

• Continuing your Nmap education