TryHackMe module 6 — TLD/SLD/subdomain structure, A/AAAA/CNAME/MX/TXT records, and the DNS resolution journey with TTL caching.
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#tryhackme
26 entries across collections.
TryHackMe module 7 — HTTP/HTTPS, URL structure, requests/responses, HTTP methods, status codes, headers, and cookies.
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TryHackMe module 8 — front end vs back end, HTML/CSS/JS, page source, sensitive data exposure, and HTML injection.
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TryHackMe module 9 — load balancers, CDNs, databases, WAFs, web server software, virtual hosts, and static vs dynamic content.
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Full class notes for TryHackMe module 6: domain structure (TLD/SLD/subdomain), A/AAAA/CNAME/MX/TXT records, and the DNS resolution journey.
Lesson Note
Full class notes for TryHackMe module 7: HTTP/HTTPS, URL structure, requests and responses, HTTP methods, status codes, headers, and cookies.
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Full class notes for TryHackMe module 8: front end vs back end, HTML/CSS/JS, page source, sensitive data exposure, and HTML injection.
Lesson Note
Full class notes for TryHackMe module 9: load balancers, CDNs, databases, WAFs, web server software, virtual hosts, and static vs dynamic content.
Lesson Note
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.
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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.
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Pre Security module 5, OSI Model — the seven layers and what each does, addresses and devices per layer, TCP vs UDP, and encapsulation.
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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.
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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.
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Full class notes for TryHackMe Pre Security (2026 path) module 5, What is Networking?: networks and the internet, IP and MAC addresses, and ping.
Lesson Note
Full class notes for TryHackMe Pre Security (2026 path) module 5, Intro to LAN: star, bus and ring topologies, switches and routers, subnetting, ARP and DHCP.
Lesson Note
Full class notes for TryHackMe Pre Security (2026 path) module 5, OSI Model: the seven layers, what each one does, TCP versus UDP, and encapsulation.
Lesson Note
Full class notes for TryHackMe Pre Security (2026 path) module 5, Packets & Frames: packets vs frames, the TCP/IP model, TCP headers and the three-way handshake, UDP and ports.
Lesson Note
Full class notes for TryHackMe Pre Security (2026 path) module 5, Extending Your Network: port forwarding, stateful and stateless firewalls, VPNs, routers, switches and VLANs.
Lesson Note
Note: these notes are written from the module's topic outline, not from the rooms themselves. Room names and exercise specifics aren't reproduced — cross-check against the rooms as you work through them.
Lesson Note
Note: rooms in this module include Inside a Computer System and Computer Types. These notes are written from the module outline — cross-check room specifics as you go.
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Note: rooms in this module include Operating Systems: Introduction and Windows Basics, with Linux covered alongside. These notes are written from the module outline — cross-check room specifics as you go.
Lesson Note
Note: these notes are written from the module's topic outline (data representation, Python, JavaScript, databases and SQL). Cross-check room specifics as you go.
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Pre Security module 1 — what cyber security is, offensive vs defensive work, core terms, career paths, and staying on the right side of the law.
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Pre Security module 2 — what's inside a computer, how components connect, the boot process, and the many types of computer you'll need to secure.
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Pre Security module 3 — what an OS does, Windows basics (interface, system tools, apps, files, security settings) and Linux basics, with the commands for each.
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Pre Security module 4 — data representation, Python and JavaScript fundamentals side by side, and databases with SQL.
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