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How to Detect ARP Poisoning with Wireshark: A Step-by-Step Guide

 

How to Detect ARP Poisoning with Wireshark: A Step-by-Step Guide

In a world where cybersecurity is of utmost importance, network administrators need the right tools to ensure their networks are protected from malicious threats. One such threat is ARP poisoning, a method used by hackers to intercept or reroute traffic by sending falsified ARP messages.

Wireshark, a popular network analysis tool, provides a powerful way to monitor and analyze traffic. In this post, we'll walk you through how to use Wireshark to detect ARP poisoning on a small corporate network.

Why ARP Poisoning is a Major Threat

ARP poisoning compromises network integrity, allowing attackers to intercept or modify data. It can be used to execute man-in-the-middle attacks, compromising sensitive information, redirecting traffic, or disrupting communication between devices.

Using Wireshark to Detect ARP Poisoning
  1. Capturing Packets: Start by capturing packets on the enp2s0 interface for five seconds using Wireshark.
  2. Filtering ARP Packets: Use the ARP filter to display only ARP packets, making it easier to identify malicious activity.
  3. Identifying the Attacker: Look for any suspicious ARP responses involving the 192.168.0.2 IP address. Abnormal ARP responses or duplicate IP addresses might indicate ARP poisoning is taking place.
Why This is Necessary

Detecting ARP poisoning early helps network administrators take preventative measures before an attack escalates. By identifying and addressing this vulnerability, you can protect your network from data breaches, unauthorized access, and malicious network manipulation.

Where You Can Use This

This method can be applied in corporate environments, home networks, or any setting where network traffic monitoring is essential for maintaining security. Whether you manage small business networks or work in IT support, Wireshark provides an invaluable tool for detecting ARP-related threats.

Enhance your cybersecurity toolkit today and safeguard your network from potential attackers by learning how to spot ARP poisoning with Wireshark!





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