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Wireless

TCPdump

Command-line packet analyzer for capturing and inspecting raw network traffic.

Category
Wireless
Platform
Linux / Kali
Type
CLI / Open Source
Skill Level
Beginner → Advanced

What is TCPdump?

TCPdump is a powerful tool used in the Wireless phase of ethical hacking and penetration testing. Security professionals rely on it during authorized assessments to identify vulnerabilities and strengthen defenses.

⚠ Legal Notice

Only use on systems you own or have explicit written permission to test. Unauthorized use violates Pakistan's PECA 2016 and international cybercrime laws.

Installation

# Update packages
sudo apt update

# Install (if not already on Kali)
sudo apt install tcpdump -y

# Check version
tcpdump --version 2>/dev/null || tcpdump -h

Basic Usage

# Basic syntax
tcpdump [options] [target]

# Get help and all flags
tcpdump --help

Common Use Cases

Further Reading

Practice on legal targets like TryHackMe, HackTheBox, or hackzia.site labs. Always read the official documentation before using in a live engagement.