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OffensiveBeginner

Network Service Enumeration

Learn how to extract detailed information from network services.

5 modules
12 lessons
12 practical tasks
Network Service Enumeration course element

About This Course

Go beyond basic port scanning to deeply enumerate services through banner grabbing, version detection, and manual interaction. Learn to analyze service configurations and identify vulnerabilities that inform exploitation strategies.

What You'll Learn

  • Distinguish between scanning and enumeration methodologies
  • Use modern discovery tools (naabu, masscan, RustScan)
  • Perform manual service interaction with netcat and telnet
  • Extract service version information through systematic probing
  • Analyze service configurations for security weaknesses
  • Enumerate file transfer services (FTP, NFS)
  • Investigate database services (MySQL, PostgreSQL, MSSQL)
  • Conduct vulnerability scanning using Nuclei templates

Prerequisites

  • TCP/IP Protocol Suite Fundamentals
  • Networking Essentials
  • Linux Essentials

Course Curriculum