> ## Documentation Index
> Fetch the complete documentation index at: https://rootea.es/llms.txt
> Use this file to discover all available pages before exploring further.

# Web Application Basics

> Learn the basics of web applications: HTTP, URLs, request methods, response codes, and headers.

# Web Application Basics

<p className="machine-summary"><span className="prompt"><code>\$ tldr</code></span> TryHackMe · Walkthrough · Easy</p>

<div className="machine-meta">
  | ·             | ·                                                       |
  | ------------- | ------------------------------------------------------- |
  | Platform      | TryHackMe                                               |
  | Type          | Walkthrough                                             |
  | Difficulty    | <span className="dbadge dbadge-easy">EASY</span>        |
  | Access        | 🟢 Free                                                 |
  | Average time  | 120 min                                                 |
  | Users         | 120.689                                                 |
  | Official room | [Open](https://tryhackme.com/room/webapplicationbasics) |
</div>

## Description

Learn the basics of web applications: HTTP, URLs, request methods, response codes, and headers.

## Solve the room

| Language | Author        | Format      | Link                                                    |
| -------- | ------------- | ----------- | ------------------------------------------------------- |
| 🇬🇧 EN  | **TryHackMe** | Lab oficial | [Open](https://tryhackme.com/room/webapplicationbasics) |

## Resources by skill

| Skill                       | Source               | Link                                                                                       |
| --------------------------- | -------------------- | ------------------------------------------------------------------------------------------ |
| Local File Inclusion (LFI)  | HackTricks           | [Open](https://book.hacktricks.wiki/en/pentesting-web/file-inclusion/index.html)           |
| Local File Inclusion (LFI)  | PayloadsAllTheThings | [Open](https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/File%20Inclusion)   |
| Remote Code Execution (RCE) | HackTricks           | [Open](https://book.hacktricks.wiki/en/pentesting-web/command-injection.html)              |
| Cross-Site Scripting (XSS)  | HackTricks           | [Open](https://book.hacktricks.wiki/en/pentesting-web/xss-cross-site-scripting/index.html) |
| Cross-Site Scripting (XSS)  | PortSwigger          | [Open](https://portswigger.net/web-security/cross-site-scripting)                          |

## Related skills

[Local File Inclusion (LFI)](/en/skills/lfi) · [Remote Code Execution (RCE)](/en/skills/rce) · [Cross-Site Scripting (XSS)](/en/skills/xss)

***

## Comments & tips

Solved this room a different way? Share it here — comments live in [GitHub Discussions](https://github.com/FFuson/HTB_Writeups/discussions).

<div className="rootea-giscus-wrap" data-giscus-term="thm:tryhackme-webapplicationbasics" data-giscus-lang="en" />

*Last updated: 2026-05-09*

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