HTTP Headers Courses

Build a Simple Dynamic Site with Node.js Course (How To)
Treehouse

Configuring Security Headers in ASP.NET and ASP.NET Core Applications
Pluralsight

ASP.NET Core: Internationalization
LinkedIn Learning

HTTP Basics Course (How To)
Treehouse

Sécurisation du serveur web Nginx sous linux
Coursera Project Network via Coursera

Spring MVC, Spring Boot and Rest Controllers
LearnQuest via Coursera

HTTP Essential Training
LinkedIn Learning

Complete Python Hacking Tutorial
Joseph Delgadillo via YouTube

Real World ASP.NET Web API Services for .NET Framework
Udemy

User Authentication in Web Apps (Passport.js, Node, Express)
freeCodeCamp