Task 1: Basic Network Sniffer

Objective

To build a Python-based network sniffer that captures and analyzes Ethernet, IP, and TCP traffic.

Tools Used

• Python
• socket module
• struct module

Features

• Captures raw packets
• Extracts Ethernet, IP, and TCP headers
• Displays:
  • Source & Destination MAC Addresses
  • Source & Destination IP Addresses
  • Protocol Type (TCP, UDP, ICMP)
  • Source & Destination Ports (for TCP)

How to Run

This script requires Linux and root access to capture packets.

sudo python3 network_sniffer.py