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Here we examine various weaknesses in the TCP/IP stack, illustrating how flaws in the protocol can be identified and addressed. This includes simulations, analysis of common techniques used to take advantage of these flaws, and recommended practices to improve system reliability.

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Priyabug/TCP-IP-Protocol-Analysis-Implementation

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🔍 TCP-IP Protocol Analysis Implementation

📌 Overview

The TCP/IP protocols represent a unique class of protocol design and implementation flaws. These weaknesses emphasize the importance of integrating security from the beginning rather than treating it as an afterthought.

Studying these protocols helps in understanding:

  • The challenges of network security
  • The necessity of various security measures

This lab provides hands-on experience with several TCP/IP protocols to illustrate real-world network infrastructure.


🏆 Lab Objectives

In this lab, students will conduct multiple attacks on TCP, covering the following topics:

✔️ The TCP Protocol – Understanding its structure and functionality
✔️ TCP SYN Flood – Exploring denial-of-service (DoS) techniques and SYN cookies as a defense mechanism
✔️ TCP Reset – Disrupting established connections by injecting forged TCP reset packets
✔️ TCP Session – Exploiting sequence number prediction to take over an active session
✔️ Reverse Shell – Gaining remote control over a target system using TCP-based exploits


🚀 By completing this lab, students will gain critical insights into TCP/IP security flaws and the importance of implementing robust security measures in network protocols.

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🛠️ Languages and Utilities Used

  • Python
  • Ubuntu 20.04 VM

💻 Environments Used

  • Windows 10 (21H2)

🔍 Program Walk-through

🚀 Task 1: SYN Flooding

🔹 Task 1.1: Launching the the network connection using Python
🔹 Task 1.2: Launching the connection using C
🔹 Task 1.3: Enabling the SYN Cookie countermeasure

🚀 Task 2: TCP RST connections on Telnet Connections

🔹 Manual Execution
🔹 Network Automation(Terraform)

🚀 Task 3: TCP Session

🔹 Manual Execution
🔹 Network Automation(Terraform)

🚀 Task 4: Creating a Reverse Shell Using TCP Session


This lab provides hands-on experience in executing and mitigating critical TCP/IP, strengthening your understanding of network security measures.

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Here we examine various weaknesses in the TCP/IP stack, illustrating how flaws in the protocol can be identified and addressed. This includes simulations, analysis of common techniques used to take advantage of these flaws, and recommended practices to improve system reliability.

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