Local-Network-Security-Scanner-LNSS- - A defensive cybersecurity tool that scans a local

项目说明

🔐 Local Network Security Scanner (LNSS)

!Python
!Platform
!Status
!License

A defensi tool that scans a local network to identify connected devices, exposed services, and potential security risks.

> Designed for educational use, ethical network auditing, and security awareness.

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📌 O

Local Network Security Scanner (LNSS) helps users understand what is happening inside their local network by answering questions like:

The tool performs non-intrusi analysis and does not exploit .

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🎯 Features

🔎 Network Discovery

🚪 Controlled Port Scanning

Scans commonly abused ports only:

| Port | Service |
|------|----------|
| 21 | FTP |
| 22 | SSH |
| 23 | Telnet |
| 80 | HTTP |
| 443 | HTTPS |
| 445 | SMB |
| 3389 | RDP |

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⚠️ Risk Analysis Engine

Each device is analyzed using predefined security rules.

Risk Levels:

The scanner provides clear explanations for each detected risk.

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📊 Professional CLI Output

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🛠️ Requirements

🐍 Python (Important)

Recommended:

⚠️ Python 3.13 may cause compatibility issues with networking libraries like Scapy.

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📦 Python Dependencies

Install using:

requirements.txt

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🖥️ System Dependencies (Windows Users)

1️⃣ Nmap (Required)

Download:

During installation:

* Ensure "Add Nmap to PATH" is enabled

installation:

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2️⃣ Npcap (Required for ARP Scanning)

Download:

During installation:

* ✔ Install in WinPcap API-compatible Mode
* ✔ Default settings are fine

Restart your computer after installation.

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🔐 Administrator Pri

On Windows:

* Run VS Code or Terminal as Administrator
* ARP scanning requires elevated permissions

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🚀 Installation

Run the scanner:

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🧠 Project Structure

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⚠️ Ethical Use Disclaimer

This tool:

* Scans only local networks
* Performs no exploitation
* Is intended for defensive and educational use

⚠️ Only scan networks you own or ha permission to test.

Unauthorized scanning may laws or policies.

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🧯 Troubleshooting

❗ Error: "No libpcap provider a"

Install Npcap and restart your system.

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❗ Error: "winpcap is not installed"

Install Npcap in WinPcap compatibility mode.

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❗ Error: "No module named X"

Run:

Ensure you are using the correct Python interpreter.

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📈 Future Enhancements

* MAC address detection
* Scan history comparison
* Alert on new devices
* GUI dashboard
* PDF report export
* Cloud-based agent

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👨‍💻 Author

DULA GUDETA
Software Engineering Student
Cybersecurity Enthusiast

Portfolio:

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⭐ If you found this project useful, consider starring the repository.

项目信息

开发语言：Python

Star 数：1

技术要点

该项目属于防护思路方向的开源资源，代码结构清晰，适合安全研究人员学习参考。项目围绕A defensive cybersecurity tool that scans a local network to identify connected devices, exposed services, and potential security risks.展开，提供了可运行的实现，对理解相关安全机制、工具原理与攻防技术具有较高的研究价值。

从技术实现角度看，此类项目的核心在于对底层原理的深入理解与工程化落地。开发者在研究过程中可以结合官方文档与社区讨论，梳理项目的初始化流程、核心模块职责与数据流转，逐步掌握其中的技术细节与设计思路。

使用与学习建议

1. 下载源码压缩包，解压到本地环境。

2. 根据项目类型准备对应的运行环境与依赖。

3. 按照 README 中的步骤完成配置与部署。

4. 在隔离的测试环境中运行验证，避免影响生产系统。

免责声明

本资源来源于开源社区，仅供安全研究、技术学习与合法授权范围内的攻防演练使用，请勿用于任何非法或侵害他人权益的用途。使用本项目产生的一切后果由使用者自行承担。