Web Security Overview
Web security begins with understanding normal web behavior. Before studying vulnerabilities, learn how a browser resolves a name, opens a connection, sends an HTTP request, receives a response and maintains state.
Web security begins with understanding normal web behavior. Before studying vulnerabilities, learn how a browser resolves a name, opens a connection, sends an HTTP request, receives a response and maintains state.
In this module
- Browser, DNS and server interaction.
- URLs, requests, responses and status codes.
- Headers, bodies and content types.
- Cookies, sessions and authentication.
- Safe testing boundaries.
Do not test public websites or accounts without explicit authorization. Use your own application, a local lab or a platform designed for security training.