HTTP, HTTPS & Application Layer
A complete guide to HTTP — from beginner fundamentals to senior-level protocol internals. Covers methods, status codes, headers, caching, TLS, CORS, and HTTP/1.1 vs HTTP/2 vs HTTP/3 evolution.
A complete guide to HTTP — from beginner fundamentals to senior-level protocol internals. Covers methods, status codes, headers, caching, TLS, CORS, and HTTP/1.1 vs HTTP/2 vs HTTP/3 evolution.
Deep dive into public/private key cryptography, how signing payloads works, JWKS (JSON Web Key Sets), Message Level Encryption (MLE), and TLS internals — written for Java/Spring engineers.
TLS deep dive, common network attacks, DDoS mitigation, zero trust networking, certificate management, and security best practices.
QUIC protocol internals, HTTP/3, connection migration, 0-RTT, multiplexing without HOL blocking, and comparison with TCP+TLS.
Comprehensive security interview question bank for Java/Spring engineers — covering authentication, JWT, JWKS, MLE, payload signing, TLS, web vulnerabilities, cryptography, network security, cloud security, and secure design.