Network Protocols for Security: ICMP
In this lab, you'll practice creating network traffic and inspecting the behavior of ICMP traffic. When you're finished, you'll have a fundamental understanding on how to find anomalies within ICMP.
Terms and conditions apply.
Challenge
Getting Started in the Lab Environment
Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
Challenge
Analyzing ICMP Messages
In this challenge, you'll send some simple ICMP messages and begin to analyze the protocol behavior.
Challenge
Types, Codes, and Errors
This challenge will have you taking a closer look at the types, codes, and how ICMP handles error messaging.
Challenge
Detecting ICMP Tunneling
This challenge takes a look at a malicious ICMP tunneling example and explores how to detect the activity.
Challenge
The Final Challenge
The last challenge of this lab and your last chance to experience the environment before clicking Next and ending this small little world that flittered into existence just for you.
Provided environment for hands-on practice
We will provide the credentials and environment necessary for you to practice right within your browser.
Guided walkthrough
Follow along with the author’s guided walkthrough and build something new in your provided environment!
Did you know?
On average, you retain 75% more of your learning if you get time for practice.
Recommended prerequisites
- No security experience required
- System or Network Administration is helpful, but not required
- Linux command line is helpful, but not required