ConceptsStatus Code
Status Code
A three-digit number in an HTTP response indicating outcome, 200 OK, 401 Unauthorized, 500 Internal Server Error, that defenders read to understand application behavior and detect abuse.
0 direct links8 lessons
Concept Neighborhood
No connected concepts linked yet.
Related Lessons
8 lessons cover this conceptWeb Architecture and Request Flow
General Beginner
URLs, Domains, DNS, and Hosting
General Beginner
HTTPS and TLS in the Browser
General Beginner
Cookies and Sessions
General Beginner
Authentication and Authorization in Web Apps
General Beginner
Input Handling and Injection Attacks
General Beginner
CSRF, CORS, and Security Headers
General Beginner
Defensive Web Thinking
General Beginner
Sign in to open lesson content directly.
