🔒 Project 13: Develop a Secure Web Application

This project demonstrates how to build a secure PHP web application using the LAMP stack (Linux, Apache, MariaDB, PHP). The application includes user registration and login functionality, secure session management, and proper password handling using hashing.

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🎯 Objective

To develop a web application with basic user authentication and apply security best practices such as:

• Password hashing
• Input validation
• Secure session management
• Restricted access to authenticated users

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🧰 Technologies Used

• Ubuntu 22.04 LTS
• Apache2
• MariaDB (MySQL replacement)
• PHP 8+
• Git
• PHPMyAdmin (optional)

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🔨 Key Features

• ✅ Secure registration form
• ✅ Passwords hashed with password_hash()
• ✅ Login page with session-based protection
• ✅ Dashboard accessible only after login
• ✅ Clean logout flow using session_destroy()

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📸 Screenshots

📦 LAMP Stack Installed

🚀 Services Running

🔐 MariaDB Secured

🧑‍💻 DB and User Created

📁 App Folder Setup

⚙️ DB Configuration File

📝 Registration Page

🔑 Login Page

📊 Users Table in DB

🧭 Logged-In Dashboard

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🧪 How to Run Locally

1. Clone the app into your Apache root:

cd /var/www/html
git clone https://github.com/YOUR_USERNAME/secure-web-app.git