Networking Fundamentals for Pentesters

Understand how networks actually work — so you can break them. TCP/IP, routing, protocols, Wireshark, and everything you need before your first network pentest.

🖧 Network Pentest Beginner 22 modules 5.9h 0 enrolled

Networks are the battlefield. Before you can enumerate services, pivot through subnets, or intercept traffic, you need to understand what's actually happening on the wire. This course builds that foundation from scratch — no prior networking knowledge required.

Instructor

lazyhackers

Curriculum — 7 sections · 22 modules · 5.9h

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OSI Model — The 7 Layers Explained

Lesson · 15m ·Free Preview

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TCP/IP Model — What Actually Runs the Internet

Lesson · 15m

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Packets, Frames & Segments — Data in Motion

Lesson · 20m

What You'll Learn

✓Explain the OSI and TCP/IP models and map real traffic to each layer
✓Subnet IPv4 networks and identify broadcast, network, and host ranges
✓Capture and analyze packets with Wireshark and tcpdump
✓Understand how DNS, DHCP, ARP, and ICMP work at the packet level
✓Identify common network services and their default ports
✓Configure and troubleshoot network interfaces on Linux
✓Understand routing, NAT, and firewall rules from both attack and defense perspectives
✓Recognize common network attack vectors like ARP spoofing and DNS poisoning

Networking Fundamentals for Pentesters

Curriculum — 7 sections · 22 modules · 5.9h

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