Linux Endpoint Security: Networking

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Security

Linux Endpoint Security: Networking

In this lab you will discover common commands used to evaluate and analyze Linux networking functions with a focus on establishing a foundation for cyber security skills.

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Lab Info

Level

Beginner

Last updated

Oct 14, 2025

Duration

2h 15m

Challenge

Discover ARP and Linux Layer 2 Functions

Leverage the ARP command to enumerate layer devices at layer two, and understand how a device's ARP cache is important for network security.
Challenge

Use the ROUTE Command to Understand Layer 3 Operations

Discover layer 3 network functions and routes using the route command, and discover how these are relevant to cyber security.
Challenge

Leverage nslookup and host to Explain Linux host DNS Functions

Explore the basic configurations and functions of host and domain naming service on Linux.
Challenge

Identify Network Activity with netstat

Leverage netstat to interrogate Linux endpoint network activity and identify the listening service launched from the educational malware.
Challenge

The Last Challenge

This is the last challenge of this lab, and your last chance to experience the environment before clicking finish lab, ending this small little world that flittered into existence just for you.

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