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Scanning Networks Project

This is a hands-on project about scanning networks. It is based on CEH v13 – Module 03. The project is about finding hosts, open ports, services, operating systems and understanding firewalls using Nmap.

The project shows methods used during security checks. It also talks about authorized scanning.

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Project Objectives

• Learn about the network scanning phase in hacking.

• Find out how to discover hosts.

• Learn to scan TCP and UDP ports.

• Identify services and software versions.

• Detect operating systems.

• Understand how scans work with firewalls.

• Build skills in network scanning with Nmap.

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Environment

• Operating System: Kali Linux

• Shell: Bash

• Virtualization: VirtualBox

• Primary Tool: Nmap

• Version Control: Git & GitHub

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Repository Structure

network-scanning-project/

│── README.md

│── notes.md

── screenshots/

└── LICENSE

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Project Modules

Part 1 – Host Discovery

• Use ARP to find hosts.

• Use ICMP to find hosts.

• Identify live hosts.

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Part 2 – Port Scanning

• SYN Scan

• TCP Connect Scan

• UDP Scan

• Scan specific ports.

• Full Port Scan

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Part 3 – Service & Version Detection

• Detect services.

• Detect versions.

• Identify software.

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Part 4 – Operating System Detection

• Fingerprint OS.

• Analyze network paths.

• Use Traceroute.

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Part 5 – Firewall Detection & Advanced Scan Techniques

• ACK Scan

• FIN Scan

• NULL Scan

• Xmas Scan

• Analyze firewall behavior.

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Tools Used

• Nmap

• arp-scan

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Skills Demonstrated

• Discover hosts.

• Scan networks.

• Scan TCP & UDP.

• List services.

• Detect versions.

• Detect operating systems.

• Analyze firewalls.

• scan results.

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Learning Outcomes

After this project I can:

• Find active hosts.

• Identify open ports.

• Detect services and versions.

• Fingerprint operating systems.

• Understand Nmap scans.

• scan results.

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Career Relevance

These skills help in:

• SOC Analyst (L1)

• Cybersecurity Analyst

• Penetration Tester (Junior)

• Vulnerability Assessment

• Network Security

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Ethical Notice

All scans were done in labs, for education and defensive security.

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Future Learning

The next project is CEH v13 – Module 04: Enumeration. It uses scanning info to list services and get details from targets.

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Author

Kranthi Kumar

Aspiring SOC Analyst | CEH Student | Cybersecurity Enthusiast

GitHub: https://github.com/kranthi778

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