TryHackMe · 5

Pre Security module 5, What is Networking? — networks and the internet, private vs public, IP vs MAC addresses, MAC spoofing, IPv4 vs IPv6, and ping.

Updated 22 Sept 2026What is Networking?

Pre Security module 5, Intro to LAN — star, bus and ring topologies, switches vs hubs, routers, subnetting and address roles, ARP request/reply, and DHCP DORA.

Updated 22 Sept 2026Intro to LAN

Pre Security module 5, OSI Model — the seven layers and what each does, addresses and devices per layer, TCP vs UDP, and encapsulation.

Updated 22 Sept 2026OSI Model

Pre Security module 5, Packets & Frames — packet vs frame, IP and TCP headers, the three-way handshake and close, UDP, and port numbers and ranges.

Updated 22 Sept 2026Packets and Frames

Pre Security module 5, Extending Your Network — port forwarding, stateful vs stateless firewalls, VPNs and VPN protocols, routers, layer 2 vs layer 3 switches, and VLANs.

Updated 22 Sept 2026Extending Your Network